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Question
Math
Posted 6 months ago
Compute the derivative of the function f(x)=x2+3x+5f(x) = x^2 + 3x + 5.
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Answer from Sia
Posted 6 months ago
Solution by Steps
step 1
To find the derivative of the function f(x)=x2+3x+5 f(x) = x^2 + 3x + 5 , we will apply the power rule to each term
step 2
The derivative of x2 x^2 with respect to x x is 2x 2x
step 3
The derivative of 3x 3x with respect to x x is 3 3
step 4
The derivative of a constant, 5 5 , with respect to x x is 0 0
step 5
Combining the derivatives from steps 2, 3, and 4, we get 2x+3+0 2x + 3 + 0
step 6
Simplifying the expression from step 5, we have 2x+3 2x + 3
Answer
ddx(x2+3x+5)=2x+3 \frac{d}{dx}(x^2 + 3x + 5) = 2x + 3
Key Concept
Differentiation using the power rule
Explanation
The power rule states that the derivative of xn x^n with respect to x x is nxn1 nx^{n-1} . Applying this rule to each term in the function f(x) f(x) gives us the derivative.

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