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21. If f(x) dx = A) 1. 3 and B) 2. f2f(x) dx = 20, then ₂ f(x) dx = C) 7. D) 13. E) 23.

21. If f(x) dx = A) 1. 3 and B) 2. f2f(x) dx = 20, then ₂ f(x) dx = C) 7. D) 13. E) 23.

Calculus: Early Transcendentals
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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please solve question 21

21. If f(x) dx = 3 and 2f(x) dx = 20, then 2 f(x) dx = A) 1. B) 2. C) 7. D) 13. 22. dx = √9-x2 A) sin-¹(3x) + c. B) sin-¹x + c. C) sin-¹x +.c. D) sin-¹+c. E) sin-¹+c. 23. sin(Inx) A) cos(In x) + c. 24. (√₂e¹²dt) = dx dx = A) e¹x² 25. (1+³+2x dx = A) + In 2. 1x3+2xم B) -cos (Inx) + c. C) sin(lnx) + c. B) -e4x² B) +In 2. C) 2e¹x² C) + In 3. E) 23. D) -sin(In x) + c. E) -cos x + c. D) -2e4x². D)+In 3. E) 0. E)+In 3.
Transcribed Image Text:21. If f(x) dx = 3 and 2f(x) dx = 20, then 2 f(x) dx = A) 1. B) 2. C) 7. D) 13. 22. dx = √9-x2 A) sin-¹(3x) + c. B) sin-¹x + c. C) sin-¹x +.c. D) sin-¹+c. E) sin-¹+c. 23. sin(Inx) A) cos(In x) + c. 24. (√₂e¹²dt) = dx dx = A) e¹x² 25. (1+³+2x dx = A) + In 2. 1x3+2xم B) -cos (Inx) + c. C) sin(lnx) + c. B) -e4x² B) +In 2. C) 2e¹x² C) + In 3. E) 23. D) -sin(In x) + c. E) -cos x + c. D) -2e4x². D)+In 3. E) 0. E)+In 3.
Expert Solution
Step 1

21. We have,

∫12fxdx = 3∫152fxdx = 20

To evaluate: The value of ∫25fxdx

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