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How do you find the derivative of #f(x)=5(x+1-1/x)#?

1 Answer

Astralboy · Steve M

Apr 15, 2017

#f(x)=5+5x^-2#

Explanation:

First, distribute the #5#:

#f(x)=5x+5-5/x#

Rewrite #5/x# as #5x^-1#

#f(x)=5x+5-5x^-1#

Now use power rule:

#f(x)=5+5x^-2#

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