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.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.2: Exponential Functions
Problem 28E
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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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