Find the derivative of the function and evaluate the derivative at the given x-value.f(x) = 5x + 9 at x = 2
A. f'(x) = 0; f'(2) = 0
B. f'(x) = 5; f'(2) = 5
C. f'(x) = 5x; f'(2) = 10
D. f'(x) = 9; f'(2) = 9
Answer: B
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