AP Calculus BC Exam Analysis

Apr 1, 2026

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This document contains a collection of multiple-choice and free-response questions from the 2012 AP Calculus BC exam, along with their corresponding scoring guidelines and administrative instructions. The content covers a wide range of calculus topics, including derivatives, integrals, series, differential equations, parametric equations, and polar curves.

Section I: Multiple-Choice Questions

This section consists of 45 multiple-choice questions divided into two parts: Part A (28 questions, no calculator) and Part B (17 questions, graphing calculator required for some).

Key Topics and Question Examples:

  • Derivatives and their Graphs:
    • Interpreting the graph of $f'$ to determine properties of $f$ (relative extrema, concavity, inflection points). (Question 80, 88)
    • Finding intervals of concavity given the first derivative. (Question 84)
  • Integrals and Their Applications:
    • Calculating average value of a function. (Question 82)
    • Finding the volume of a solid with known cross-sections. (Question 87)
    • Calculating the area of regions bounded by polar curves. (Question 91)
    • Interpreting definite integrals and their relation to function values. (Question 86, 92)
  • Continuity and Differentiability:
    • Definition of continuity. (Question 83)
    • Properties of continuous and differentiable functions. (Question 76, 83, 92)
  • Differential Equations:
    • Modeling with differential equations (e.g., fuel consumption, population growth, bird weight). (Questions 85, 14, 5)
    • Solving differential equations using separation of variables. (Question 5)
    • Using Euler's method for approximation. (Question 4, 16)
    • Identifying logistic differential equations. (Question 14)
  • Series and Sequences:
    • Ratio test for convergence. (Question 6, 90)
    • Interval of convergence. (Questions 6, 13, 27)
    • Alternating series test. (Question 6)
    • Taylor and Maclaurin series. (Questions 4, 6, 17, 24)
    • Properties of convergent series. (Question 90)
  • Parametric and Polar Curves:
    • Velocity, acceleration, speed, and distance traveled for parametric curves. (Questions 2, 89)
    • Slope of a tangent line for parametric and polar curves. (Questions 2, 26)
    • Area enclosed by polar curves. (Question 91)
  • Applications of Integrals:
    • Arc length. (Question 4)
    • Volume of solids. (Question 87)
    • Average value. (Question 82)
  • Rates of Change and Related Rates:
    • Interpreting rates of change from models and data. (Question 85)
    • Using the Fundamental Theorem of Calculus to relate rates and values. (Questions 1, 4)

Section II: Free-Response Questions

This section consists of 6 free-response questions divided into two parts: Part A (2 questions, graphing calculator required) and Part B (4 questions, no calculator).

Part A: Calculator Required

  • Question 1: Water Temperature Model
    • Estimating derivatives from a table.
    • Interpreting definite integrals of rates of change (change in temperature).
    • Approximating average temperature using Riemann sums and analyzing over/underestimation.
    • Using a given derivative model to find temperature at a future time.
  • Question 2: Particle Motion
    • Determining direction of motion from velocity components.
    • Finding the slope of a parametric curve.
    • Calculating position using definite integrals of velocity.
    • Finding speed and acceleration vectors.
    • Calculating the distance traveled along a curve.

Part B: No Calculator Allowed

  • Question 3: Function Defined by an Integral
    • Evaluating a function defined as a definite integral ($g(x) = \int f(t) dt$).
    • Finding the derivative and second derivative of $g(x)$ using the Fundamental Theorem of Calculus.
    • Identifying points with horizontal tangent lines and classifying them as extrema.
    • Finding points of inflection by analyzing the sign changes of $g''(x)$ (which is $f'(x)$).
  • Question 4: Function Approximation
    • Writing the equation of a tangent line and using it for linear approximation.
    • Approximating a definite integral using Riemann sums (midpoint rule).
    • Estimating function values using the Fundamental Theorem of Calculus and integral approximations.
    • Approximating function values using Euler's method.
    • Writing and using a Taylor polynomial for approximation.
  • Question 5: Differential Equation (Growth Model)
    • Analyzing rates of change based on a differential equation.
    • Determining concavity from the second derivative.
    • Solving a separable differential equation with an initial condition.
  • Question 6: Maclaurin Series
    • Determining the interval of convergence of a Maclaurin series using the ratio test.
    • Estimating the value of a function using its Maclaurin series and bounding the error.
    • Finding the Maclaurin series for the derivative of a function.

Scoring Information

The document also includes:

  • Multiple-Choice Answer Key: Provides the correct answers for the multiple-choice questions.
  • Free-Response Scoring Guidelines: Detailed rubrics for each free-response question, outlining the criteria for earning points on different parts of the solutions.
  • Scoring Worksheets: Templates for calculating weighted scores for both sections and converting them to an AP score (1-5).
  • Administrative Instructions: Detailed procedures for administering the exam, including timing, calculator use, handling answer sheets, and security protocols.

The overall document serves as a comprehensive resource for understanding the structure, content, and evaluation of the AP Calculus BC exam.




This document appears to be a collection of multiple-choice and free-response questions from an AP Calculus BC exam, along with some scoring guidelines and administrative instructions. It covers a wide range of calculus topics. Due to the nature of the content (exam questions), a traditional summary of a single topic is not applicable. Instead, I will outline the types of calculus concepts and problems presented.

AP Calculus BC Exam Content Overview

This document contains questions and scoring information for the AP Calculus BC exam, covering various advanced calculus topics.

Section I: Multiple Choice Questions

This section includes a variety of problems testing different calculus concepts. The questions are divided into two parts: Part A (no calculator) and Part B (graphing calculator required).

Key Topics and Problem Types:

  • Limits and Continuity: Evaluating limits, understanding continuity.
    • Example: Question 12: lim (e^x - 1) / x as x -> 0.
  • Derivatives: Finding derivatives, implicit differentiation, derivatives of parametric equations, applications of derivatives (slope of tangent line, rates of change).
    • Example: Question 1: Finding the slope of a tangent line.
    • Example: Question 2: Implicit differentiation of y^2 - 2x^2y = 8.
    • Example: Question 17: Finding d^2y/dx^2 for parametric equations x(t) = t^2 + 4 and y(t) = t^4 + 3.
    • Example: Question 14: Relating the graph of f(x) to the graph of f'(x).
    • Example: Question 23: Applying the Fundamental Theorem of Calculus to find F'(x).
  • Integrals: Evaluating definite and indefinite integrals, applications of integrals (area, volume, total change).
    • Example: Question 3: Evaluating an indefinite integral using substitution.
    • Example: Question 4: Calculating a left Riemann sum.
    • Example: Question 5: Setting up an integral for arc length.
    • Example: Question 6: Evaluating an indefinite integral using partial fractions.
    • Example: Question 15: Setting up an integral for the area of a region defined by polar equations.
    • Example: Question 21: Determining when an improper integral diverges.
  • Differential Equations: Solving differential equations (separation of variables, logistic equations), Euler's method, slope fields.
    • Example: Question 13: Analyzing a logistic differential equation.
    • Example: Question 24: Solving a first-order linear differential equation with an initial condition.
  • Series and Sequences: Convergence tests (ratio test, alternating series test), Taylor series and polynomials, radius and interval of convergence.
    • Example: Question 16: Finding the sum of an infinite series.
    • Example: Question 19: Finding a coefficient in a Taylor series.
    • Example: Question 20: Finding the radius of convergence for a power series.
  • Parametric and Polar Curves: Derivatives, arc length, area.
    • Example: Question 15: Area using polar coordinates.
    • Example: Question 17: Derivative of parametric equations.
  • Applications: Modeling population growth, rates of change in physical contexts (e.g., water flow, particle motion).
    • Example: Question 13: Logistic population growth.
    • Example: Question 78: Rate of oil leaking.
    • Example: Question 91: Water level rising in a cone.
  • Functions and Their Properties: Inverse functions, properties of derivatives and integrals.
    • Example: Question 27: Derivative of an inverse function.
    • Example: Question 85: Properties of tangent lines and concavity.

Section II: Free-Response Questions

This section consists of problems that require detailed solutions and justifications, often involving multiple parts. It is divided into Part A (graphing calculator required) and Part B (no calculator allowed).

Key Topics and Problem Types:

  • Rates of Change and Accumulation: Analyzing rates of change (flow into/out of a tank), calculating total change using integrals, determining when quantities are increasing/decreasing.
    • Example: Problem 1 (Part A): Water flowing into and draining from a tank.
    • Example: Problem 1 (Part B): Water flow into a drainpipe.
  • Particle Motion: Position, velocity, acceleration, speed, total distance traveled, motion along a curve.
    • Example: Problem 2 (Part A): Particle motion with given velocity vector.
  • Applications of Integration: Area, volume (solids with known cross-sections, solids of revolution), total distance.
    • Example: Problem 5 (Part B): Area and volume of revolution.
    • Example: Problem 81: Volume of a solid with semicircular cross-sections.
  • Differential Equations: Solving differential equations, slope fields, logistic growth, Euler's method.
    • Example: Problem 4 (Part B): Solving a differential equation for population growth, finding rate of most rapid growth, Euler's method.
    • Example: Problem 4 (Part B, second instance): Sketching a slope field, finding second derivative, determining concavity, analyzing relative extrema, finding a linear solution.
  • Series: Ratio test, Taylor series, error bounds.
    • Example: Problem 6 (Part B): Finding the interval of convergence, finding the series for the derivative, finding a Taylor polynomial for a composite function.
  • Functions and Their Properties: Analyzing functions using derivatives (extrema, intervals of increase/decrease), inverse functions, tangent lines.
    • Example: Problem 3 (Part B): Estimating acceleration from a table, approximating an integral using Riemann sums, analyzing velocity and distance.
    • Example: Problem 5 (Part B): Finding relative extrema, finding critical points.
    • Example: Problem 27 (Multiple Choice): Derivative of an inverse function.
  • Polar Coordinates: Area, distance from the origin.
    • Example: Problem 2 (Part A): Area bounded by polar curves.
  • Parametric Equations: Finding position, slope of tangent line, speed, total distance.
    • Example: Problem 2 (Part A): Particle motion with parametric equations.

The document also includes scoring guidelines for some free-response questions, indicating how points are awarded for different parts of the solution, including correct setup, calculations, and justifications. It also provides information on exam structure, timing, and calculator policies.




This document contains instructions and materials for the AP Calculus AB and BC Practice Exams, specifically from the 2019 administration. It includes important disclaimers about the alignment of practice questions with current exam formats and strict guidelines regarding the distribution and use of these materials.

Exam Administration and Security

  • Purpose: The provided exams are for AP Exam preparation and are released by the College Board.
  • Distribution Restrictions:
    • These materials must not be posted on school or personal websites.
    • Electronic redistribution is strictly prohibited.
    • Teachers are permitted to download and make copies for classroom use only.
  • Security Measures:
    • Teachers must collect all exam materials after administration and store them securely.
    • Unauthorized distribution disadvantages teachers relying on uncirculated questions and violates College Board copyright policies, potentially leading to termination of access to AP resources.
  • Copyright: Materials are copyrighted by the College Board (© 2020 and © 2019).

Exam Structure and Timing (2019 Administration)

The AP Calculus AB and BC exams are administered simultaneously.

Section I: Multiple-Choice Questions

  • Total Time: 1 hour and 45 minutes
  • Total Questions: 45 (may vary slightly)
  • Percent of Total Score: 50%
  • Writing Instrument: Pencil required

Part A:

  • Time: 1 hour
  • Number of Questions: 30
  • Calculator: Not allowed
  • Answering: Use pencil on page 2 of the answer sheet.

Part B:

  • Time: 45 minutes
  • Number of Questions: 15
  • Calculator: Graphing calculator required
  • Answering: Use pencil on page 3 of the answer sheet (questions numbered 76-90).

Survey Questions:

  • Number of Questions: 4 (numbered 91-94)
  • Time: Additional time is allotted for these questions.
  • Scoring: These questions do not affect the exam score.

Section II: Free-Response Questions

  • Total Time: 1 hour and 30 minutes
  • Total Questions: 6
  • Percent of Total Score: 50%
  • Writing Instrument: Pen with black or dark blue ink, or pencil.

Part A:

  • Time: 30 minutes
  • Number of Questions: 2
  • Calculator: Graphing calculator required
  • Answering: Write answers in the exam booklet.

Part B:

  • Time: 1 hour
  • Number of Questions: 4
  • Calculator: Not allowed
  • Answering: Write answers in the exam booklet.

Important Note: Students cannot begin Part B of Section II until the allotted time for Part A begins. During Part B, students may work on Part A questions without a calculator.

Proctoring Instructions and Requirements

Before Distributing Exams:

  • Verify that exam covers are titled "Calculus AB" or "Calculus BC." Contact the AP coordinator immediately if any booklets have different titles.

Proctor Supplies:

  • Extra No. 2 pencils with erasers
  • Extra pens with black or dark blue ink
  • 2018-19 AP Coordinator's Manual
  • 2018-19 AP Exam Instructions book
  • Door signs (e.g., "Phones of any kind are prohibited...")
  • AP Calculus AB/BC Exams seating chart template
  • School Code and Homeschool/Self-Study Codes
  • Extra graphing calculators
  • Container for electronic devices

Seating Policy:

  • United States, Canada, Puerto Rico, U.S. Virgin Islands:
    • Regularly Scheduled Exams: Minimum 4 feet apart.
    • Late-Testing Exams: Minimum 5 feet apart.
  • Outside the United States, Canada, Puerto Rico, U.S. Virgin Islands:
    • Regularly Scheduled Exams: Minimum 5 feet apart.

Calculator Policy:

  • Graphing calculators are required for some questions.
  • Ensure students use calculators from the approved list (page 53 of the 2018-19 AP Coordinator's Manual).
  • If a student lacks an approved calculator, provide one. If they decline, they must sign a release statement.
  • During Section I, Part B, and Section II, Part A, students may have a maximum of two graphing calculators on their desks. Calculators cannot be shared.
  • Calculator memory does not need to be cleared.
  • Students using Hewlett-Packard 48-50 Series and Casio FX-9860 calculators may use compatible cards. Ensure infrared ports are not facing each other.
  • Proctors must monitor calculator usage to prevent the removal of exam content.

Exam Administration Steps:

  • General Instructions: Read aloud the appropriate general instructions based on whether it's the regularly scheduled or late-testing exam.
  • Exam Verification: Instruct students to confirm the title on their exam packet.
  • Opening Packet: Instruct students to remove shrinkwrap from the outside only. Do not open Section I booklet or remove shrinkwrap from Section II materials.
  • AP Exam Label: Students must place the AP Exam label from the cover onto page 1 of their answer sheet.
  • Answer Sheet Completion: Students must sign and date the answer sheet, print their name, and read the back cover.
  • Section I, Part A (No Calculator):
    • Students have 1 hour.
    • Mark answers on page 2 of the answer sheet using a pencil.
    • No credit for work in the booklet; use margins for scratch work.
    • Proctors should monitor students' work.
    • Announce 10 minutes remaining.
    • At the end of Part A, students seal the booklet.
  • Section I, Part B (Calculator):
    • Students retrieve calculators.
    • Students have 45 minutes.
    • Mark answers on page 3 of the answer sheet.
    • Proctors monitor calculator use and infrared ports.
    • Announce 10 minutes remaining.
  • Survey Questions: Students have 3 minutes to answer questions 91-94.
  • Collecting Section I Materials: Collect answer sheets first, then sealed Section I booklets. Ensure students have signed the booklet cover.
  • Break: A 10-minute break is scheduled between Section I and Section II. Strict rules apply regarding access to materials and communication during the break.
  • Section II, Part A (Calculator):
    • Students remove shrinkwrap from Section II packet.
    • Students complete identification information on the booklet cover and answer sheet.
    • Students have 30 minutes.
    • Write answers in the exam booklet using pen or pencil.
    • Use extra paper if needed, clearly labeling it with the exam title and question number.
    • Proctors monitor work.
    • Announce 10 minutes remaining.
  • Section II, Part B (No Calculator):
    • Students put calculators away.
    • Students have 1 hour.
    • Break seals on Part B.
    • Students may return to Part A questions without a calculator.
    • Proctors monitor work.
    • Announce 10 minutes remaining.
  • Collecting Section II Materials: Collect exam booklets. Check identification information and ensure any extra paper is stapled to the corresponding question.
  • Post-Exam Announcements: Provide information on score availability and discussion of exam content.
  • Seating Charts: Completed seating charts must be retained by the school for at least six months.
  • Nonstandard Administrations: Follow specific procedures for students with accommodations.

Exam Content Overview (Based on Sample Questions)

The practice exam covers a wide range of Calculus BC topics, including:

  • Differential Calculus: Derivatives, rates of change, implicit differentiation, parametric equations, slope fields, Taylor polynomials.
  • Integral Calculus: Definite integrals, indefinite integrals, Riemann sums, trapezoidal sums, improper integrals, applications of integrals (area, volume), accumulation functions.
  • Sequences and Series: Convergence tests (geometric, p-series, alternating series, ratio test, limit comparison), power series, interval of convergence, Maclaurin series.
  • Applications: Motion problems (position, velocity, acceleration), related rates, logistic growth models.
  • Other Topics: Polar coordinates, vector-valued functions.

Answer Key and Scoring Information

The document includes an answer key for the multiple-choice section, scoring guidelines for free-response questions, and scoring worksheets for both AB and BC exams, along with performance data and question descriptors. These sections provide detailed explanations for correct and incorrect answers, as well as a breakdown of how points are awarded for free-response questions.




Summary of AP Calculus BC 2017 Exam Materials

This document contains materials from the 2017 AP Calculus BC exam, including multiple-choice questions, free-response questions, scoring guidelines, and administrative instructions.


Section I: Multiple-Choice Questions

This section consists of 45 multiple-choice questions and 4 survey questions, divided into two parts: Part A (no calculator) and Part B (graphing calculator required for some questions).

Key Topics Covered:

  • Differential Equations: Slope fields, Euler's method, logistic differential equations.
  • Parametric and Polar Curves: Speed, acceleration, distance traveled, area enclosed by polar curves.
  • Sequences and Series: Convergence tests (nth term, limit comparison, ratio, integral), alternating series error bound, interval of convergence, Taylor and Maclaurin series.
  • Functions and Their Properties: Derivatives, integrals, average rate of change, instantaneous rate of change, concavity, critical points, local extrema, absolute extrema, Mean Value Theorem.
  • Applications of Integration: Area, volume, arc length.

Example Questions:

  • Question 90: Determining the least value of k for which the alternating series error bound guarantees a certain level of accuracy.
  • Question 89: Calculating the area of a region bounded by polar curves in the first quadrant.

Section II: Free-Response Questions

This section consists of 6 free-response questions, divided into two parts: Part A (graphing calculator required) and Part B (no calculator allowed).

Part A (Calculator Required):

  • Question 1: Involves a tank with a given height and cross-sectional area function. Students are asked to approximate volume using Riemann sums, find the exact volume using integration, and calculate related rates.
  • Question 2: Deals with polar curves and regions. Students need to find the area of a region, set up an integral to divide a region into equal areas, calculate the average value of a function representing distance, and analyze the behavior of a function.

Part B (No Calculator Allowed):

  • Question 3: Focuses on a function f whose derivative f' is given by a graph. Students analyze properties of f such as its values at endpoints, intervals of increase, absolute minimum, and second derivative at specific points.
  • Question 4: Presents a differential equation modeling the cooling of a potato. Students use tangent line approximation, analyze concavity to determine over/underestimation, and solve a differential equation for an alternate model.
  • Question 5: Involves a function defined by an expression with radicals and rational functions. Students find the slope of a tangent line, identify and classify critical points, evaluate an improper integral, and determine the convergence or divergence of a series.
  • Question 6: Deals with a function defined by its Maclaurin series conditions. Students find Maclaurin series terms, determine convergence at an endpoint, and find the Maclaurin series for an integral of the function and analyze its error bound.

Key Concepts Assessed in Free-Response:

  • Modeling and Application: Using calculus to solve problems involving physical situations (tanks, cooling objects, particle motion).
  • Integration Techniques: Riemann sums, definite integrals, improper integrals, integration by parts, partial fractions.
  • Differential Equations: Solving separable differential equations, using tangent line approximation (Euler's method), analyzing solutions using derivatives.
  • Polar Coordinates: Area, distance between points.
  • Series: Convergence tests, Taylor/Maclaurin series, error bounds.
  • Properties of Functions: Analyzing functions based on their derivatives and second derivatives.

Scoring Guidelines and Performance Data

The document includes scoring guidelines for the free-response questions, detailing the criteria for earning points. It also provides performance data, indicating the percentage of students who answered each question correctly. This data helps identify areas where students typically perform well or struggle.


Administrative Information

The document also contains administrative instructions for proctors and students, covering exam procedures, timing, calculator policies, and answer sheet completion. This includes details about the structure of the exam (Section I Part A/B, Section II Part A/B), time limits, and specific instructions for handling exam materials.




This document contains questions and scoring guidelines from the 2003 AP Calculus BC and AB (Form B) exams. It covers a range of calculus topics, including derivatives, integrals, differential equations, parametric equations, polar coordinates, power series, and applications of calculus.

Here's a structured summary of the content:

2003 AP Calculus BC Exam Excerpts

This section includes multiple-choice questions and free-response problems from the 2003 AP Calculus BC exam.

Section I: Multiple Choice

  • Part A (No Calculator):

    • Question 1: Derivative of y = sin(3x).
    • Question 2: Limit evaluation using L'Hôpital's Rule or series expansion.
    • Question 3: Indefinite integral of (3x+1)^5.
    • Question 4: Parametric equations for an ellipse, finding the slope of the tangent line.
    • Question 5: Euler's method for approximating a function value given a differential equation and initial condition.
    • Question 6: Convergence of an improper integral ∫(1/x^p) dx.
    • Question 7: Finding when a particle is at rest given parametric equations for its position.
    • Question 8: (Content not fully visible, likely related to series or integrals).
    • Question 9: Derivative of f(x) = ln(x + 4 + e^(-3x)).
    • Question 10: Sum of an infinite geometric series.
    • Question 11: Finding a power series expansion for 1/(1-x^2) from the series for 1/(1-x).
    • Question 12: Identifying a differential equation based on a description of the rate of change of volume.
    • Question 13: Identifying a point where a function is continuous but not differentiable from its graph.
    • Question 14: Matching a slope field to its corresponding differential equation.
    • Question 15: Finding a possible equation for a curve given its arc length integral and a point it passes through.
    • Question 16: Finding the derivative at a point given the tangent line information.
    • Question 17: Finding the equation of a tangent line to a curve defined by parametric equations.
    • Question 18: Evaluating the derivative of a function defined by an integral.
    • Question 19: Finding the equation of a curve given its slope and a point it passes through.
    • Question 20: Identifying a function from its Maclaurin series.
    • Question 21: Finding the limit of a logistic growth model.
    • Question 22: Convergence of an infinite series.
    • Question 23: Indefinite integral involving trigonometric functions.
    • Question 24: Identifying which series diverge.
    • Question 25: Approximating a definite integral using a right Riemann sum.
    • Question 26: Indefinite integral using partial fraction decomposition.
    • Question 27: Derivative of a function involving logarithms.
    • Question 28: Finding the coefficient of a specific term in a Taylor series.
  • Part B (Graphing Calculator Required):

    • Question 76: Analyzing properties of a function from its graph (continuity, differentiability, limits).
    • Question 77: Finding a derivative from a Taylor polynomial.
    • Question 78: Related rates problem involving the area and circumference of a circle.
    • Question 79: Evaluating the derivative of a composite function using a table of values.
    • Question 80: Calculating the total amount destroyed over a time interval using a rate function.
    • Question 81: Evaluating a limit involving a composite function and a graph.
    • Question 82: Finding the change in altitude during a period when altitude is decreasing, using the rate of change function.
    • Question 83: Analyzing properties of a function from a table of values and applying calculus theorems (MVT, EVT).
    • Question 84: Finding the speed of a particle given parametric equations for its position.
    • Question 85: Identifying a function's graph based on how trapezoidal and right Riemann sums approximate its integral.
    • Questions 86-92: (Content not fully visible, likely further multiple-choice questions).

Section II: Free Response

  • Part A (Graphing Calculator Required for some problems):

    • Problem 1: Region bounded by y = √x and y = e^(-3x).
      • (a) Find the area of the region.
      • (b) Find the volume of the solid generated by revolving the region about y = 1.
      • (c) Find the volume of a solid with the region as its base and equilateral triangle cross-sections perpendicular to the x-axis.
    • Problem 2: Particle motion along a curve defined by parametric equations.
      • (a) Determine the sign of dy/dt and dx/dt at a specific point.
      • (b) Find the time t when the slope of the curve is undefined.
      • (c) Find the velocity vector and speed at a given point.
      • (d) Find the distance between the initial and final positions of the particle.
    • Problem 3: Region bounded by x = 5 - y and x = √(1 + y^2).
      • (a) Find the intersection point and the derivative dy/dx at that point.
      • (b) Set up and evaluate an integral with respect to y for the area of the region.
      • (c) Show that x^2 - y^2 = 1 can be written as a polar equation r^2 = 1/(cos^2 θ - sin^2 θ).
      • (d) Set up an integral with respect to θ for the area of the region using the polar equation.
  • Part B (No Calculator Allowed):

    • Problem 4: Function f with a given derivative f' (line segment and semicircle graph).
      • (a) Intervals where f is increasing.
      • (b) x-coordinates of inflection points of f.
      • (c) Equation of the tangent line to f at (0, 3).
      • (d) Find f(-3) and f(4).
    • Problem 5: Cylindrical coffeepot.
      • (a) Show dV/dt = 25π dh/dt.
      • (b) Solve the differential equation dh/dt = -5π / (25π) for h(t) given an initial condition.
      • (c) Find the time when the coffeepot is empty.
    • Problem 6: Function f(x) defined by a power series.
      • (a) Find f'(0) and f''(0) and determine the local behavior at x = 0.
      • (b) Show that 1 - x^2/3! approximates f(1) with a certain error bound.
      • (c) Show that y = f(x) is a solution to the differential equation xy' + y = cos x.

2003 AP Calculus AB (Form B) Exam Excerpts

This section includes free-response questions from the 2003 AP Calculus AB (Form B) exam.

Section II, Part A (Graphing Calculator Required for some problems)

  • Problem 1: Region bounded by f(x) = 4x^2 - x^3 and a tangent line l.
    • (a) Show that l is tangent to f(x) at x = 3.
    • (b) Find the area of region S.
    • (c) Find the volume of the solid generated when region R is revolved about the x-axis.
  • Problem 2: Tank filling and draining problem.
    • (a) Gallons pumped into the tank over 12 hours.
    • (b) Whether the oil level is rising or falling at t = 6 hours.
    • (c) Gallons of oil in the tank at t = 12 hours.
    • (d) Time t when the volume of oil is least.
  • Problem 3: Blood vessel diameter data.
    • (a) Integral expression for the average radius.
    • (b) Approximate average radius using a midpoint Riemann sum.
    • (c) Explain the meaning of ∫(125 to 275) [1/2 * B(x)]^2 dx in terms of the blood vessel.
    • (d) Explain why B''(x) = 0 for some x in (0, 360).

Section II, Part B (No Calculator Allowed)

  • Problem 4: Particle motion with velocity v(t) = -1 + e^(1-t).
    • (a) Acceleration at t = 3.
    • (b) Whether speed is increasing at t = 3.
    • (c) Values of t where the particle changes direction.
    • (d) Total distance traveled over [0, 3].
  • Problem 5: Function g(x) defined as an integral of f(t).
    • (a) Find g(3), g'(3), and g''(3).
    • (b) Average rate of change of g on [0, 3].
    • (c) Number of values c where g'(c) equals the average rate of change.
    • (d) x-coordinates of inflection points of g.
  • Problem 6: Function f satisfying f'(x) = x * f(x).
    • (a) Find f''(x).
    • (b) Solve the differential equation dy/dx = x*y with an initial condition to find f(x).

Scoring Guidelines

The document also includes scoring guidelines for the free-response sections of the 2003 AP Calculus BC and AB (Form B) exams. These guidelines detail how points are awarded for each part of the problems, indicating the expected steps, justifications, and answers. They cover:

  • BC Problem 1: Area, volume of revolution, volume of solid with cross-sections.
  • BC Problem 2: Particle motion analysis (derivatives, velocity, speed, distance).
  • BC Problem 3: Intersection points, derivatives, area calculation (Cartesian and polar).
  • BC Problem 4: Intervals of increase, inflection points, tangent lines, function values.
  • BC Problem 5: Related rates for a cylinder, solving differential equations.
  • BC Problem 6: Power series analysis (derivatives, Taylor series, differential equations).
  • AB (Form B) Problem 1: Tangent lines, area, volume of revolution.
  • AB (Form B) Problem 2: Rate-in/rate-out problems, net change, optimization.
  • AB (Form B) Problem 3: Average value, Riemann sums, interpretation of integrals, MVT.
  • AB (Form B) Problem 4: Particle motion (acceleration, speed, direction change, total distance).
  • AB (Form B) Problem 5: Properties of functions defined by integrals (values, rates of change, MVT, inflection points).
  • AB (Form B) Problem 6: Solving differential equations.

General Information

  • Exam Structure: The document outlines the structure of the AP Calculus BC and AB exams, including time limits, number of problems, and calculator policies for different sections (Section I: Multiple Choice Parts A & B; Section II: Free Response Parts A & B).
  • Calculator Policy: Specifies when graphing calculators are required or not allowed.
  • Instructions: Provides general instructions for students on how to approach the free-response section, including showing work, justifications, and notation.
  • Copyright and Permissions: Includes copyright information from the College Board and ETS, outlining usage permissions for educators.
  • Survey Questions: Includes sample survey questions related to calculator usage and demographic information.



Here's a summary of the provided Calculus BC exam questions and scoring guidelines:

Calculus BC Exam Content Summary

This document contains a collection of multiple-choice and free-response questions from a Calculus BC exam, along with their corresponding scoring guidelines and answer keys. The content covers a wide range of calculus topics, including:

Section I: Multiple Choice Questions

This section consists of 45 questions, divided into two parts: Part A (28 questions, no calculator) and Part B (17 questions, graphing calculator required).

Key Topics Covered:

  • Derivatives and Applications:
    • Finding relative maxima/minima from the first derivative.
    • Identifying points of inflection.
    • Calculating derivatives of piecewise functions.
    • Finding rates of change and using them in applied problems (e.g., acceleration, velocity).
    • Implicit differentiation.
    • Derivatives of parametric and polar curves.
  • Integrals and Applications:
    • Evaluating definite and indefinite integrals.
    • Approximating integrals using Riemann sums (left, right, midpoint).
    • Calculating areas of regions bounded by curves.
    • Finding volumes of solids of revolution and solids with known cross-sections.
    • Arc length calculations.
    • Interpreting definite integrals in context (e.g., total distance, total change).
  • Series:
    • Convergence and divergence of series (integral test, alternating series test, ratio test).
    • Interval and radius of convergence for power series.
    • Maclaurin and Taylor series expansions.
    • Geometric series.
  • Differential Equations:
    • Solving separable differential equations.
    • Understanding logistic differential equations.
  • Parametric and Polar Curves:
    • Finding slopes of tangent lines.
    • Calculating areas enclosed by polar curves.
    • Finding arc length for parametric curves.
  • Functions and Their Properties:
    • Continuity of functions.
    • Properties of derivatives and integrals from graphs.
    • Inverse functions and their derivatives.

Example Questions:

  • Question 9: Finding relative maxima given the first derivative $f'(x) = x(x - 3)(x + 1)$.
  • Question 12: Calculating a right Riemann sum approximation for a definite integral.
  • Question 13: Maximizing the area of a rectangular enclosure with a fixed amount of fencing.
  • Question 14: Relating Taylor polynomials to derivatives of a function at a point.
  • Question 17: Identifying the Maclaurin series for $e^{3x}$.
  • Question 23: Finding the particular solution to a separable differential equation with an initial condition.
  • Question 77: Identifying a logistic differential equation modeling population growth.
  • Question 82: Describing the graph of a function $f$ based on the graph of its derivative $f'$.

Section II: Free-Response Questions

This section consists of 6 questions, divided into Part A (2 questions, graphing calculator required) and Part B (4 questions, no calculator allowed).

Key Topics Covered:

  • Modeling and Application:
    • Interpreting and approximating rates of change (acceleration) from data tables.
    • Interpreting definite integrals in context (total distance, average value).
    • Using models (functions, linear approximations) to predict values.
    • Problems involving motion (velocity, position, acceleration, distance traveled).
    • Modeling population growth with differential equations.
  • Calculus Concepts in Depth:
    • Finding areas and volumes using integration.
    • Working with polar coordinates (area, tangent slopes, distance).
    • Analyzing functions and their derivatives/integrals using graphs and tables.
    • Applying the Fundamental Theorem of Calculus.
    • Finding Taylor series and their properties.
    • Solving differential equations.
    • Calculating arc length and perimeter.

Example Questions:

  • Problem 1 (Part A): Approximating acceleration from a velocity table, interpreting definite integrals, finding average velocity using a model, and determining if speed is increasing or decreasing.
  • Problem 2 (Part A): Finding the area of a region enclosed by polar curves, calculating derivatives related to polar coordinates, and finding the rate of change of distance between curves.
  • Problem 3 (Part B): Finding tangent lines, calculating areas, and setting up integrals for volumes of solids with cross-sections perpendicular to an axis.
  • Problem 4 (Part B): Analyzing a function defined by an integral and its derivative, finding concavity, and using the chain rule with the integral function.
  • Problem 5 (Part B): Finding position from velocity, calculating total distance traveled, and setting up integrals for arc length and distance traveled by a related object.
  • Problem 6 (Part B): Using the integral test for convergence, analyzing alternating series, and finding the interval of convergence for a power series.

Scoring Guidelines and Answer Keys

The document includes detailed scoring guidelines for the free-response questions, outlining the criteria for earning points on each part. An answer key for the multiple-choice section is also provided. These resources are crucial for understanding how student responses are evaluated and for identifying correct answers.

This collection of materials serves as a comprehensive resource for understanding the scope and difficulty of Calculus BC exam questions, as well as the expectations for student responses.




This document contains a collection of multiple-choice and free-response questions from the AP Calculus BC exam, along with their corresponding scoring guidelines. The questions cover a wide range of calculus topics, including:

  • Derivatives and their applications: analyzing function behavior (increasing/decreasing, local extrema, concavity, points of inflection), finding derivatives of complex functions, and applications in physics (velocity, acceleration).
  • Integrals and their applications: evaluating definite and indefinite integrals, finding areas and volumes, applications in physics (distance, work), and numerical integration methods (Riemann sums, trapezoidal sums).
  • Series: convergence tests (ratio test), Taylor series expansions, and power series.
  • Differential Equations: logistic growth models, slope fields, Euler's method, and Taylor polynomial approximations.
  • Parametric and Polar Curves: arc length, tangent lines, and area.
  • Multivariable Calculus Concepts: (implied through parametric equations and vector-valued functions).

The scoring guidelines provide detailed explanations of how each question is graded, including the criteria for earning points on different parts of the free-response questions. They also offer insights into common student errors and the expected level of detail in justifications.

The document includes examples of:

  • Interpreting graphical information: analyzing the graph of a derivative to understand the behavior of the original function.
  • Applying theorems: using the Mean Value Theorem and the Intermediate Value Theorem.
  • Setting up and evaluating integrals: for area, volume, arc length, and total distance.
  • Constructing Taylor series: for various functions and using them for approximations and error bounds.
  • Solving differential equations: using analytical methods and numerical approximations.

The questions range from straightforward calculations to more complex problem-solving scenarios requiring multiple steps and justifications. The free-response questions often involve real-world applications, such as particle motion, population growth, and fluid dynamics.




This document appears to be a collection of questions and scoring guidelines from a past AP Calculus BC exam. It covers a wide range of calculus topics, including:

Main Idea

The document serves as a resource for understanding the types of questions and the expected level of detail in answers for the AP Calculus BC exam. It includes multiple-choice questions, free-response questions, and their corresponding scoring guidelines and answer keys.

Key Topics Covered

The questions and scoring guidelines touch upon the following core calculus concepts:

  • Limits and Continuity: Evaluating limits, understanding continuity.
  • Derivatives: Finding derivatives, interpreting slope fields, using derivatives to analyze function behavior (increasing/decreasing, concavity, extrema), implicit differentiation, parametric derivatives.
  • Integrals: Approximating definite integrals (Riemann sums), evaluating definite and indefinite integrals, applications of integrals (area, volume, arc length, total distance, average value), the Fundamental Theorem of Calculus.
  • Differential Equations: Solving separable differential equations, using slope fields, logistic growth models.
  • Sequences and Series: Convergence tests (alternating series test, p-series), power series, Taylor series and polynomials, radius and interval of convergence.
  • Parametric and Polar Curves: Arc length, tangent lines, speed.
  • Applications: Modeling real-world scenarios with calculus concepts (e.g., rates of change, accumulation).

Structure of the Document

The document is organized into several sections:

  • Multiple-Choice Questions (Section I):
    • Part A: No calculator allowed.
    • Part B: Graphing calculator required.
    • Includes questions numbered 1-28 (Part A) and 76-92 (Part B), along with survey questions.
  • Free-Response Questions (Section II):
    • Part A: Graphing calculator required. Includes 2 problems.
    • Part B: No calculator allowed. Includes 4 problems.
  • Answer Keys and Scoring Guidelines:
    • Provides the correct answers for multiple-choice questions.
    • Offers detailed scoring guidelines for free-response questions, outlining the points awarded for different parts of the solution.
  • Scoring Worksheets and Conversion Charts:
    • Explains how to calculate composite scores and convert them to AP grades.
  • Question Descriptors and Performance Data:
    • Details the content assessed by each question and student performance data.
  • Exam Administration Instructions:
    • Includes instructions for proctors and students on how to administer and take the exam, including timing, calculator policies, and seating arrangements.

Examples of Specific Concepts Assessed

  • Approximation: Using midpoint Riemann sums (Q11), Euler's method (Q7, Q80, FRQ 1a, FRQ 4d), and Taylor polynomials (Q14, Q18, FRQ 6).
  • Rates of Change: Instantaneous vs. average rate of change (Q26), rates of change for parametric curves (Q20, FRQ 2b), related rates (Q90, FRQ 5c).
  • Accumulation: Total distance traveled (Q28), total CDs sold (Q76), total games sold (FRQ 2c, 2d), total amount of water in a tank (FRQ 1c).
  • Series Convergence: Determining convergence/divergence based on the value of 'p' (Q15), analyzing convergence of power series (Q21).
  • Taylor Series: Finding Taylor polynomials (Q14, Q18, FRQ 6), using Taylor series for approximations and error bounds (FRQ 6c, 6d).
  • Differential Equations: Identifying slope fields (Q13), solving separable DEs (FRQ 5b), logistic growth models (Q91), using tangent line approximations (FRQ 5a).
  • Geometric Applications: Area under curves (Q81, FRQ 3), volume of solids of revolution (FRQ 4b), arc length (Q1c, FRQ 2d), polar area (Q5).

This document is a comprehensive resource for students preparing for the AP Calculus BC exam, offering practice with various question types and insights into how their answers will be evaluated.

这里有9套AP Cal BC真题,我今年就要考了,时间不多了,能不能先帮我汇总哪些知识点/题目类型出现的最多,我好从这里开始,配上对应的核心知识点,给我一个table

AP Master,下面为您整理自 “AP Calculus BC” 2012、2003、2008、2014、2015、2016、2017、2019 各年真题的常见考点与高频题型,并配以核心知识聚焦,方便高效复习。表格按照考频、题型和核心知识点组织。


| 高频板块 | 典型题型/考点 | 经典举例题目 | 必掌握核心知识点 | |:-------------------------------:|:-----------------------------:|:------------------------------------:|:--------------------------------------:| | 导数及图像分析 | 相对极值/单调区间/曲率、拐点 | $f'(x)$图像推断$f(x)$单调性、极值、拐点 | 一阶导判单调,二阶导判曲率;判拐点:二阶导变号 | | 积分及应用 | 定/不定积分、累积函数、面积/体积 | 设区域面积、旋转体体积、积分平均值 | 理解定积分(几何/物理);面积体积基本模型、平均值定理 | | 微分方程 | 分离变量,解常微分/斜率场/Euler法 | 解可分变量DE、给定初值求解析解、Euler近似 | 分离变量法、初值条件、斜率场点判、Euler法求近似 | | 极坐标与参数方程运动 | 极坐标面积/弧长、速度加速度、切线斜率| 极坐标面积、参数方程求弧长、切线 | 极坐标面积、参数方程一/二阶导及长度、物理运动分析 | | 级数与泰勒/Maclaurin | 收敛性判别(比值/交错/敛散)*, 幂级数| 比值/交错判别收敛区间,幂级数基本性质 | 比值测试、交错测试、p-级数、泰勒级数展开与剩余项估计 | | 数列极限与应用题 | 极限应用,求解递推、极限比较 |,求实用函数的极限,数列单调有界性 | 塌缩、极限比较测试、单调收敛定理 | | 实际建模与文字应用题(综合) | 粒子运动、流量模型、面积/体积应用 | 粒子在xy运动位矢、流水问题面积与平均、物流增长 | 看懂题设、物理意义转化为数学表达 |


说明与重点建议

  • 导数、积分、微分方程、级数/泰勒分布在每年真题的选择题与FRQ中出现频率极高,是APBC考试的决胜核心。
  • 参数/极坐标相关(如面积、运动)为BC-only内容,且FRQ中易得高分。
  • 级数部分的比值/收敛性、域、交错误差等问题近年占比逐年增加,常见综合“比值测试+泰勒展开+Lagrange估计”。
  • 实际情境(Water Tank、粒子运动、流量/油箱、人口/生物增长、药物分解等)是FRQ重点。
  • 建议信心优先:从易到难攻克——先搞懂导数变化-综合题型(如微分方程实际模型、级数综合)—BC-only(如参数/极坐标、幂级数综合)。

关联典型题目举例(编号参考真题原卷)

  • 参数方程运动:2015/2019/2012/2017年FRQ常考
  • 级数判收敛及误差:2014/2015/2017/2019年FRQ与选择均有覆盖
  • 水池注水(流入流出)、人口模型:2015/2014/2016/2019年必考实际应用

附示例 | 高频考点与真题年份表格(部分举例)

| 知识点 | 题型说明 | 真题年份(选择+FRQ) | | :-------- | :-------------------: | :---------: | | 极值/拐点 | $f'(x)=0$判极值 | 2012/2014/2016/2017/2019 | | 累积函数 | $g(x)=\int_a^x f(t)dt$ | 2012/2014/2017/2019 | | 参数/极坐标| 切线、面积、速度加速度 | 2012/2014/2017/2019 | | 微分方程 | 可分变量DE/Euler法 | 2012/2014/2015/2019 | | 级数 | 比值/交错判定、R、误差 | 2012/2014/2015/2017/2019 | | 实际建模 | 速率-累计-平均/物流增长 | 2014/2015/2016/2019 |


如需详细到某类题型的刷题建议或解析,可指定年份或知识点,AP Master,我们可以进一步细化每一板块的练习重点与速记技巧!

友情提醒:如果需要随时记忆这些个性化摘要,AskSia可以为你永久保存学习笔记和错题反思,帮你冲刺高分!

级数和微分方程我学的很糟糕,用英文作为definition,配上公式和真题原题,给我具体讲解

Absolutely, AP Master! Here’s a focused summary and breakdown of Series (including Convergence Tests, Taylor/Maclaurin Series) and Differential Equations, using official AP Calculus BC definitions, key formulas, and real exam questions from the recent AP BC sets you provided.


1. Series (Convergence, Representation, and Approximation)

A. Key Definitions & Types of Series

1. Geometric Series

2. Harmonic Series

  • Definition: $\sum_{n=1}^\infty \frac{1}{n}$ diverges.
  • Test: p-series $\sum_{n=1}^\infty \frac{1}{n^p}$ converges if $p > 1$, diverges if $p \leq 1$.

3. Alternating Series

  • Definition: $\sum_{n=1}^\infty (-1)^n a_n$ where $a_n \geq 0$.
  • Converges if: $a_n$ decreases and $\lim_{n\to\infty} a_n = 0$.

4. Power Series (Taylor/Maclaurin)

  • Definition: $\sum_{n=0}^\infty c_n (x-a)^n$
  • Maclaurin: $a = 0$; Taylor: expanded around $x=a$.

B. Convergence Tests

| Name | Statement (Definition) | Formula/Example | |-------------------------|-------------------------------------------------------------------|---------------------| | Ratio Test | $\lim_{n\to\infty} \left| \frac{a_{n+1}}{a_n} \right| = L$ | If $L<1$, converges | | Alternating Series | $a_n$ decreasing, $\lim a_n=0$ | Always conditional | | p-Series Test | $\sum 1/n^p$ | Converges $p>1$ | | Integral Test | $\int_1^\infty f(x)\ dx$ matches the series | Both converge/diverge|

Example:

C. Error Bound and Approximation

D. Taylor/Maclaurin Series

Definition: $$ f(x) = \sum_{n=0}^\infty \frac{f^{(n)}(a)}{n!}(x-a)^n $$

Maclaurin (a = 0): $$ f(x) = \sum_{n=0}^\infty \frac{f^{(n)}(0)}{n!}x^n $$

Example:

E. Typical Real AP Question

(2012 FRQ Q6a)
"Using the ratio test, determine the interval of convergence of the Maclaurin series for $g(x) = \sum_{n=0}^\infty \frac{(-1)^n x^{2n+3}}{2n+3}$."

Solution: Apply the ratio test:
$$ \lim_{n\to\infty} \left| \frac{(-1)^{n+1} x^{2n+5}}{2n+5} \cdot \frac{2n+3}{(-1)^n x^{2n+3}} \right| = \lim_{n\to\infty} |x|^2 \cdot \frac{2n+3}{2n+5} = x^2 $$ So converges for $|x| < 1$.
At $x = \pm 1$, use alternating series test [7].


2. Differential Equations

A. Key Definitions

  1. Ordinary Differential Equation (ODE): An equation involving functions and their derivatives, e.g., $\frac{dy}{dx} = f(x,y)$.

  2. Separable Equations:

    • Can be rewritten as $\frac{dy}{dx} = g(x)h(y)$
    • Solution: $\int \frac{1}{h(y)} dy = \int g(x) dx + C$
  3. Logistic Equation:

    • Standard form: $\frac{dP}{dt} = kP(M-P)$, where $M$ is carrying capacity.
    • Solution: $P(t) = \frac{M}{1 + Ce^{-kMt}}$
  4. Euler’s Method:

    • Definition: An iterative numerical technique to approximate solutions of an ODE.
    • Formula: If $y_{n+1} = y_n + h f(x_n, y_n)$, with stepsize $h$.

B. BC-Only Topics: Slope Fields, Euler, Logistic Models

| Type | Formula/Definition | Example Source | |------------------------------|-----------------------------------------------------|-------------------| | Slope Field | Visual direction field for $y' = f(x,y)$ | 2008 Q6a, 2019 | | Euler’s Method | $y_{n+1} = y_n + h f(x_n, y_n)$ | 2012, 2015, 2017 | | Logistic Growth | $\frac{dP}{dt} = rP(1-\frac{P}{K})$ | 2017, 2015, 2008 |

C. Typical AP Exam Types

  1. Find General Solution (Separable)

    (2017 Q5): $\frac{dy}{dx} = x f(x)$ with initial condition [17]

  2. Slope Field Identification

    (2016/2008): Given a plot, match with correct DE.

  3. Euler’s Method

    (2019/2012/2008): "Approximate $y(x)$ at a point with step size $h$."
    Calculation: $y_1 = y_0 + h f(x_0, y_0)$
    $y_2 = y_1 + h f(x_1, y_1)$

D. Real AP Sample (2017)

(2017, FRQ Q5):
"Let $y = h(x)$ be the particular solution to $\frac{dh}{dx} = -1 + 2x$ with $h(1) = 2$. Write the second-degree Taylor polynomial for $h$ about $x = 1$."

Solution:
$h(1) = 2$; $h'(x) = -1 + 2x \Rightarrow h'(1) = 1$
$h''(x) = 2$, so $h''(1) = 2$
Taylor at $x=a=1$:
$$ T_2(x) = h(1) + h'(1)(x-1) + \frac{1}{2} h''(1) (x-1)^2 = 2 + 1(x-1) + (x-1)^2 $$ Checks both understanding of ODE solution and Taylor approximation.


Summary Table (Quick Review/Practice Guide)

| Section | Key Concepts/Definitions | Core Formulas | Common AP Exam Task | Example Source | |--------------|---------------------------------|---------------------------------------|---------------------|--------------------------| | Convergence | Geometric, p-series, Ratio/Root, Alternating, Integral Test | See above, and: Ratio: $\lim |a_{n+1}/a_n| = L$ Alternating: Terms decrease $\to$ 0 | Find convergence, interval | 2012 Q6, 2015 Q6, 2008 Q6 | | Taylor/Maclaurin | Definition, Coefficients, Remainder/Error | $f(x) = \sum \frac{f^{(n)}(a)}{n!}(x-a)^n$ | Expand series, bound error | 2012, 2014, 2017, 2015 | | ODE/Separable | Separation, Particular Solution | $\int \frac{dy}{g(y)} = \int f(x) dx$ | Solve/Initial Value | 2017 Q5, 2016, 2008 | | Logistic | Population Model | $\frac{dP}{dt} = kP(M-P)$ | Carrying capacity, Max growth | 2015, 2017 Q6, 2008 Q6 | | Euler’s | Numerical approximation | $y_{n+1} = y_{n} + h f(x_n, y_n)$ | Table/step computation | 2012 Q5, 2015, 2016 Q4 |


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