11. Consider the following graph of ƒ (x): 80 -70- -60- -50- -40 30 -20- -10- 0 1 2 3 4 5 6 7 8 9 10 11 12 a) State the value(s) of x where the rate of change of f(x) is zero. b) State the interval(s) over which the rate of change of f(x) is positive. c) State the interval(s) over which the rate of change of f(x) is negative.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 2E
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11. Consider the following graph of ƒ (x):
80
-70-
-60-
-50-
-40
30
-20-
-10-
0
1
2
3
4
5
6
7
8
9
10
11
12
a) State the value(s) of x where the rate of change of f(x) is zero.
b) State the interval(s) over which the rate of change of f(x) is positive.
c) State the interval(s) over which the rate of change of f(x) is negative.
Transcribed Image Text:11. Consider the following graph of ƒ (x): 80 -70- -60- -50- -40 30 -20- -10- 0 1 2 3 4 5 6 7 8 9 10 11 12 a) State the value(s) of x where the rate of change of f(x) is zero. b) State the interval(s) over which the rate of change of f(x) is positive. c) State the interval(s) over which the rate of change of f(x) is negative.
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