8. f(x) = 2sin² 3x a. 12cos(3x)sin(3x) b. -12cos(3x)sin(3x) c. 12sin(9x)cos(3x) 9. f(x) = 3 cos² a. 3 cos )sin) ь. —3 сos(sin) с. -3 сos(stnc 10. f(x) = sec? x – tan² x а. О b. -2 C. -10

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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8. f(x) = 2sin² 3x
a. 12cos(3x)sin(3x)
b. -12cos(3x)sin(3x)
c. 12sin(9x)cos(3x)
%3D
9. f(x) = 3 cos?
a. 3 cos?)sin)
b. —3 сos()sin(G)
c. -3 cos()sin)
10.f(x) = sec? x – tan? x
а. 0
b. -2
с. -10
Transcribed Image Text:8. f(x) = 2sin² 3x a. 12cos(3x)sin(3x) b. -12cos(3x)sin(3x) c. 12sin(9x)cos(3x) %3D 9. f(x) = 3 cos? a. 3 cos?)sin) b. —3 сos()sin(G) c. -3 cos()sin) 10.f(x) = sec? x – tan? x а. 0 b. -2 с. -10
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