The graph of a function f is shown below. 4 3 2 4-3-2 -3

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section: Chapter Questions
Problem 22T
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D e and f

The graph of a function ƒ is shown below.
3
2
-4-3-2
4
12
-4
To combine intervals, you can enter "U" for union. If no interval exists, enter "DNE". All intervals below should be open intervals (DO NOT
include end points).
a. On what interval(s) of x is f(x) positive (f(x) > 0)?
Preview
b. On what interval(s) of æ is ƒ(x) negative (f(x) < 0)?
Preview
c. On what interval(s) of x is f(æ) increasing?
Preview
d. On what interval(s) of x is f(x) decreasing?
Preview
e. On what interval(s) of x is f concave up?
Preview
f. On what interval(s) of x does f concave down?
Preview
Transcribed Image Text:The graph of a function ƒ is shown below. 3 2 -4-3-2 4 12 -4 To combine intervals, you can enter "U" for union. If no interval exists, enter "DNE". All intervals below should be open intervals (DO NOT include end points). a. On what interval(s) of x is f(x) positive (f(x) > 0)? Preview b. On what interval(s) of æ is ƒ(x) negative (f(x) < 0)? Preview c. On what interval(s) of x is f(æ) increasing? Preview d. On what interval(s) of x is f(x) decreasing? Preview e. On what interval(s) of x is f concave up? Preview f. On what interval(s) of x does f concave down? Preview
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