8- 6- 4- 2- -4 -4- -6- -8- (a) The function f is decreasing over which intervals? Choose all that apply. O (-00 , -9) O (-7, -3) O (-9, -3) O (1, 4) O (4, 7) O (7, 0 ) (b) The function f has local maxima at which x-values? If there is more than one value, separate them with commas. (c) What is the sign of the leading coefficient of f? Select One (d) Which of the following is a possibility for the degree of f? Choose all that apply. O 4 O 5 O 6 O 7 O 8
8- 6- 4- 2- -4 -4- -6- -8- (a) The function f is decreasing over which intervals? Choose all that apply. O (-00 , -9) O (-7, -3) O (-9, -3) O (1, 4) O (4, 7) O (7, 0 ) (b) The function f has local maxima at which x-values? If there is more than one value, separate them with commas. (c) What is the sign of the leading coefficient of f? Select One (d) Which of the following is a possibility for the degree of f? Choose all that apply. O 4 O 5 O 6 O 7 O 8
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
SectionP.2: Real Numbers
Problem 90E
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Please help solve, Thank you.
Below is the graph of a polynomial function f with real coefficients. Use the graph to answer the following questions about f. All local extrema of f are shown in the graph.
Expert Solution
Step 1
Given that the graph of the polynomial.
(a) To find the function f is decreasing over which intervals:
From the graph, in the intervals, (-7,-3), (1,4), (7,), the given function's graph rises downwards.
Thus, the function f is decreasing in (-7,-3), (1,4), (7,).
(b)To find the function f has local maxima at which x-values:
From the graph, the function f attains its maximum at (-7,1), (1,0), (7,4).
Thus, the local maxima of the function f at x = -7, 1, 7.
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