F(x)=x+(5/x), how do i find f^-1(x)?

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Homework Statement


f(x)=x+(5/x), how do i find f^-1(x)?
 
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Let me help you to recall what are the steps you have to do.

let f(x) be y , change the y with x , and now express the equation with the subject y . Finally change the y to f^{-1}(x)
 

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