22. If y = x+4 then what is 4Y? dx dy a. 4x(x + 4) dy С. dx -4Vx + 8 dx dy b. dx =-4(x + 4)= d. dx 8Vx +4 23. If y = sin(4x - 5), then what is y'? a. y' = cos(4x – 5) b. y' = 4cos(4x - 5) C. y' = -cos(4x - 5) d. y' = -4cos(4x) 24. If y = 3x sin(4x), then what is y'? a. y' = 2xcos(4x) + 3sin(4x) b. y' = cos(4x) + sin(4x) + 3x с. у" d. y' = 2xcos(4x) + 3cos(4x?) 12xcos 4x + 3sin 4x %3D

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 answer first three questions
22. If y =
then what is Y?
x+4
dx
dy
a.
4x(x + 4)
dy
-4Vx + 8
С.
=
dx
dx
dy
b.
dx
=-4(x + 4)=
d.
dx
8Vx +4
23. If y = sin(4x - 5), then what is y'?
a. y' = cos(4x - 5)
b. y' = 4cos(4x - 5)
C. y' = -cos(4x – 5)
d. y' = -4cos(4x)
24. If y = 3x sin(4x), then what is y'?
a. y' = 2xcos(4x) + 3sin(4x)
b. y' = cos(4x) + sin(4x) + 3x
C. y'
d. y' = 2xcos(4x) + 3cos(4x?)
12xcos 4x + 3sin 4x
%3D
Transcribed Image Text:22. If y = then what is Y? x+4 dx dy a. 4x(x + 4) dy -4Vx + 8 С. = dx dx dy b. dx =-4(x + 4)= d. dx 8Vx +4 23. If y = sin(4x - 5), then what is y'? a. y' = cos(4x - 5) b. y' = 4cos(4x - 5) C. y' = -cos(4x – 5) d. y' = -4cos(4x) 24. If y = 3x sin(4x), then what is y'? a. y' = 2xcos(4x) + 3sin(4x) b. y' = cos(4x) + sin(4x) + 3x C. y' d. y' = 2xcos(4x) + 3cos(4x?) 12xcos 4x + 3sin 4x %3D
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