Find the derivative of the function.y = 7 sin x4
A. 
= 28x3 cos x4
B. 
= 28x4 cos x4
C. 
= 28x3 cos x3
D. 
= x cos x4
Answer: A
Mathematics
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A. True B. False
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A. line 
B. line segment 
C. ray 
D. line segment 
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