show that at x = −2 a local maximum is assumed, that x = 0 is a Zeropoint, and that f(0) is the strict minimum of the function. Prove after this that there are no other extrema.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section: Chapter Questions
Problem 8CC: What does it mean to say that f(4) is a local maximum valueof f ?
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show that at x = −2 a local maximum is assumed, that x = 0 is a Zeropoint, and that f(0) is the strict minimum of the function. Prove after this that there are no other extrema.

 
Expert Solution
Step 1

Assume the function f(x) satisfying the given conditions.

For f(x), x = 0 is the zero point therefore, x = 0 is a root for f(x).

Hence, f (0) = 0.

Find the critical points for f (x).

Algebra homework question answer, step 1, image 1

Step 2

Now, from the critical points find the monotone intervals for the f(x).

Then, assuming x = -2 as local max find the behavior for the function f(x) in the monotone intervals.

Algebra homework question answer, step 2, image 1

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