Find the derivative of the function.y = 19x sin 2x
A. 
= 38x cos 2x + sin 2x
B. 
= 38x cos 2x + 19 sin 2x
C. 
= -38x cos 2x + 19 sin 2x
D. 
= 38x cos 19x + 19 sin 2x
Answer: B
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A. - 
B. - 
C. 
D. - 
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