4 19. f(x) = x + x + [-8,-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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For #19, how would you find the absolute maximum and minimum values of each function over the indicated interval, and indicate the X-values at which they occur?
17. f(x) = 1 − x²/3; [-8,8]
18. f(x) = (x + 3)2/3 - 5; [-4,5]
[-8,-1]
19. f(x) = x +
4
21. f(x) =
X
20. f(x) = x + = [1,20]
x²
x² + 1'
[-2, 2] 22. f(x)
23. f(x) = ³x - ²x.
[-2, 1]
24. f(x) = ex- ex. [-1, 1]
25. f(x) = ln(x³ − 3x + 4);
26. f(x) = ln(x² + 4); [-3, 1]
27. f(x) = xe(1/4)x, |−1, 10]
28. f(x)=xe0.5x; [-4,2]
[-]
4x
x² + 1'
[-3,3]
Find the absolute extrema of each function, if they exist, over
the indicated interval. Also indicate the x-value at which each
extremum occurs. When no interval is specified, use the real
numbers, (-∞, ∞0).
29. f(x) = 16x - x³; (0, ∞)
30. f(x) = x - x³; (0,00)
Transcribed Image Text:17. f(x) = 1 − x²/3; [-8,8] 18. f(x) = (x + 3)2/3 - 5; [-4,5] [-8,-1] 19. f(x) = x + 4 21. f(x) = X 20. f(x) = x + = [1,20] x² x² + 1' [-2, 2] 22. f(x) 23. f(x) = ³x - ²x. [-2, 1] 24. f(x) = ex- ex. [-1, 1] 25. f(x) = ln(x³ − 3x + 4); 26. f(x) = ln(x² + 4); [-3, 1] 27. f(x) = xe(1/4)x, |−1, 10] 28. f(x)=xe0.5x; [-4,2] [-] 4x x² + 1' [-3,3] Find the absolute extrema of each function, if they exist, over the indicated interval. Also indicate the x-value at which each extremum occurs. When no interval is specified, use the real numbers, (-∞, ∞0). 29. f(x) = 16x - x³; (0, ∞) 30. f(x) = x - x³; (0,00)
Expert Solution
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The given function is 

f(x)=x+4x,  -8, -1

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