Find the derivative.f(x) = 
(3x - 5) + 12x
A. f'(x) = 3x1/2 - 5x-1/2 + 12x
B. f'(x) = 4.5x3/2 - 2.5x1/2 + 12
C. f'(x) = 4.5x1/2 - 5x-1/2 + 12
D. f'(x) = 4.5x1/2 - 2.5x-1/2 + 12
Answer: D
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