Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 5x + 9; f '(2)

A. f '(x) = 9; f '(2) = 9
B. f '(x) = 5; f '(2) = 5
C. f '(x) = 5x; f '(2) = 10
D. f '(x) = 0; f '(2) = 0


Answer: B

Mathematics

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