In Exercises 19-30, find the extreme values of the function and where they occur. 19. y = 2x? - 8r + 9 . 21. y = x' + x² – 8x + 5 20. y = x' - 2x + 4 22. y = x - 3x? + 3x – 2 i 23. y = V - 1 24. y = 1 25. y = 26. y = Vī Vi - x 27. y = V3 + 2x –. x² = 1: 3 28. y =* + 4x – 9x² + 10 29. y = x2 +1

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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In Exercises 19-30, find the extreme values of the function and where
they occur.
19. y = 2x? - 8r + 9 .
21. y = x' + x² – 8x + 5
20. y = x' - 2x + 4
22. y = x - 3x? + 3x – 2 i
23. y = V - 1
24. y =
1
25. y =
26. y =
Vī
Vi - x
27. y = V3 + 2x –.
x²
= 1:
3
28. y =* + 4x – 9x² + 10
29. y =
x2 +1
Transcribed Image Text:In Exercises 19-30, find the extreme values of the function and where they occur. 19. y = 2x? - 8r + 9 . 21. y = x' + x² – 8x + 5 20. y = x' - 2x + 4 22. y = x - 3x? + 3x – 2 i 23. y = V - 1 24. y = 1 25. y = 26. y = Vī Vi - x 27. y = V3 + 2x –. x² = 1: 3 28. y =* + 4x – 9x² + 10 29. y = x2 +1
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