Skill Building In Problems 13-24, use the graph on the right of the function f. 13. Is fincreasing on the interval [-8, -2]? 14. Is f decreasing on the interval [-8, -4]? 15. Is fincreasing on the interval [-2,6]? 16. Is f decreasing on the interval [2,5]? 17. List the interval(s) on which fis increasing. 18. List the interval(s) on which fis decreasing. (-10, 0) -10 (-5,0) LIL (-8,-4) -5 19. Is there a local maximum at 2? If yes, what is it? 20. Is there a local maximum at 5? If yes, what is it? 21. List the number(s) at which fhas a local maximum. What are the local maximum values? um uoluos? y₁ 10- (-2,6) (2,10) (0,0) (5.0) 5 (7,3) 10 X

Algebra and Trigonometry (MindTap Course List)
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Chapter2: Functions
Section2.FOM: Focus On Modeling: Modeling With Functions
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please help with numbers 13,15,17,19 and 21. 

82 CHAPTER 2 Functions and Their Graphs
Skill Building
In Problems 13-24, use the graph on the right of the function f.
13. Is fincreasing on the interval [-8, -2]?
14. Is f decreasing on the interval [-8, -4]?
15. Is fincreasing on the interval [-2, 6]?
16. Is f decreasing on the interval [2, 5]?
17. List the interval(s) on which fis increasing.
18. List the interval(s) on which fis decreasing.
19. Is there a local maximum at 2? If yes, what is it?
20. Is there a local maximum at 5? If yes, what is it?
21. List the number(s) at which fhas a local maximum. What are the local maximum values?
32 List the number(s) at which fhas a local minimum. What are the local minimum values?
(-10,0)
-10
(-5,0)
(-8,-4)
-5
YA
10
(-2, 6)
-6
(2,10)
(0,0)
(5,0)
5
SECTION 2.3 Properties of Function
unctions 85
(7,3)
10 X
Transcribed Image Text:82 CHAPTER 2 Functions and Their Graphs Skill Building In Problems 13-24, use the graph on the right of the function f. 13. Is fincreasing on the interval [-8, -2]? 14. Is f decreasing on the interval [-8, -4]? 15. Is fincreasing on the interval [-2, 6]? 16. Is f decreasing on the interval [2, 5]? 17. List the interval(s) on which fis increasing. 18. List the interval(s) on which fis decreasing. 19. Is there a local maximum at 2? If yes, what is it? 20. Is there a local maximum at 5? If yes, what is it? 21. List the number(s) at which fhas a local maximum. What are the local maximum values? 32 List the number(s) at which fhas a local minimum. What are the local minimum values? (-10,0) -10 (-5,0) (-8,-4) -5 YA 10 (-2, 6) -6 (2,10) (0,0) (5,0) 5 SECTION 2.3 Properties of Function unctions 85 (7,3) 10 X
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