SOLUTION: I am having problems solving this problem: f(x)=1/x, find f(2+h)-f(2)/h

SOLUTION: I am having problems solving this problem: f(x)=1/x, find f(2+h)-f(2)/h

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Question 29247: I am having problems solving this problem: f(x)=1/x, find f(2+h)-f(2)/h
Answer by sdmmadam@yahoo.com(530) (Show Source): You can put this solution on YOUR website!
f(x)=1/x, find f(2+h)-f(2)/h
f(2+h)-f(2)/h
=1/(2+h)-[(1/2h)]
[using f(x) = 1/x and f(2)/h means f(2)X(1/h) = (1/2)X(1/h)=1/(2h)]
= [2h-(2+h)]/[(2+h)(2h)]
=[2h-2-h]/2h(2+h)
=(2h-h-2)/2h(2+h)
=(h-2)/2h(2+h)

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