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derivative 3

0 votes
Find the derivative of f(x) = 5x + 9 at x = 2.
asked Aug 3, 2014 in CALCULUS by Tdog79 Pupil

1 Answer

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 f(x) = 5x + 9

Take derivative both sides with respect to x

f'(x) =d/dx(5x+9)

      =5d/dx(x)+d/dx(9)

     = 5

Derivative of the function at x =2 is 5

answered Aug 3, 2014 by anonymous

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