locations of all relative extrema of f(x), and tell whether each extremum is a r

Question

locations of all relative extrema of f(x), and tell whether each extremum is a relative maximum or minimum answer box(es) to complete your choice OA. The function fx) has a relative maximum at x and has no relative minimum. (Round to the nearest integer as needed. Use a comma to separate answers as needed.) The function f(x) has a relative minimum at x- and has no relative maximum. (Round to the nearest integer as needed. Use a comma to separate answers as needed.) B. 12 1i3 and has a relative maximum atx-. (Round to the nearest integer as needed. Use a comma to separate answers as needed.) The function f(x) has no relative extrema ?4 D.

Explanation / Answer

The sign of f'(x) change from positive to negative at x=-8 and -3 . So there is a relative maximum at x=-8,-3

The sign of f '(x) change from negative to positive at x=-6 and at x =-1 .So relative minimum is at x=-6,-1 .

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