Simplify the expression. If the expression cannot be simplified, so state.7x4y3 + 2(2x4y3 - 5x3y4)

A. 1x7y7 
B. 11x4y3 - 5x3y4
C. 11x4y3 - 10x3y4
D. cannot be simplified


Answer: C

Mathematics

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Find the indicated derivative.Find y(4) if y = 5 sin x.

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A. = 
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A. f-1(x) = 
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