Q4.7 End Behavior of Polynomials II
1 Point
Determine the end behavior of the graph of $f(x)=-5 x^{4}-x^{3}+3 x^{2}+7$ : as $x \rightarrow \infty, f(x) \rightarrow \ldots$; $(0.5 \mathrm{pt})$
$\infty$
$-\infty$
as $x \rightarrow-\infty, f(x) \rightarrow$ $\qquad$ . $(0.5 \mathrm{pt})$
$\infty$
$-\infty$

Question

Accepted Answer

∻Solution by Steps∻ ‖ step 1 ⋮ Identify the leading term of the polynomial $f(x) = -5x^4 - x^3 + 3x^2 + 7$. The leading term is $-5x^4$. ‖ ‖ step 2 ⋮ Determine the end behavior as $x \rightarrow \infty$. Since the leading term $-5x^4$ has a negative coefficient and an even exponent, as $x \rightarrow \infty$, $f(x) \rightarrow -\infty$. ‖ ‖ step 3 ⋮ Determine the end behavior as $x \rightarrow -\infty$. Similarly, since the leading term $-5x^4$ has a negative coefficient and an even exponent, as $x \rightarrow -\infty$, $f(x) \rightarrow -\infty$. ‖ ∻Answer∻ ⚹ As $x \rightarrow \infty, f(x) \rightarrow -\infty$ ⚹ ⚹ As $x \rightarrow -\infty, f(x) \rightarrow -\infty$ ⚹ ∻Key Concept∻ ⚹End Behavior of Polynomials⚹ ∻Explanation∻ ⚹The end behavior of a polynomial function is determined by its leading term. For a polynomial with a negative leading coefficient and an even exponent, the function will approach $-\infty$ as $x$ approaches both $\infty$ and $-\infty$.⚹◊What is the end behavior of the polynomial function $f(x)=-5 x^{4}-x^{3}+3 x^{2}+7$ as $x$ approaches infinity and negative infinity?⍭ Generate me a similar question◊

AskSia

Let's Get in Touch