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.

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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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.

8-
6-
4-
-10
-8
-6
-4
-2
-2-
-4-
-6-
-8-
(a) The function f is decreasing over which intervals? Choose all that apply.
(-∞ , -9)
O (-9, -6) O (-6, -2) O (-9, -2) O (3, 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
O 9
Transcribed Image Text:8- 6- 4- -10 -8 -6 -4 -2 -2- -4- -6- -8- (a) The function f is decreasing over which intervals? Choose all that apply. (-∞ , -9) O (-9, -6) O (-6, -2) O (-9, -2) O (3, 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 O 9
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