Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = x2 + 7x - 2; f '(0)
A. f '(x) = 2x; f '(0) = 0
B. f '(x) = 2x + 7; f '(0) = 7
C. f '(x) = 2x - 2; f '(0) = - 2
D. f '(x) = x + 7; f '(0) = 7
Answer: B
Mathematics
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