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

  1. Mar 22, 2010 #1
    1. The problem statement, all variables and given/known data
    f(x)=x+(5/x), how do i find f^-1(x)?
    Last edited by a moderator: Jan 7, 2014
  2. jcsd
  3. Mar 22, 2010 #2
    Re: Function

    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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