Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = ; f '(-1)

A. f '(x) = ; f '(-1) = 8
B. f '(x) = - ; f '(-1) = -8
C. f '(x) = - 8x2; f '(-1) = - 8
D. f '(x) = 8; f '(-1) = 8

Answer: B

Mathematics

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