SOLUTION: Find f ’(x) if f(x) = 3 x^-1 + 5 x^8 - 1 and evaluate f ’(1). (Keep 2 decimal places)

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Question 1016415: Find f ’(x) if
f(x) = 3 x^-1 + 5 x^8 - 1
and evaluate f ’(1). (Keep 2 decimal places)
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
For
f(x) = 3x^-1 + 5x^8 - 1
f'(x) = -3x^-2 + 40x^7
f'(1) = -3 + 40 = 37