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

  1. Mar 22, 2010 #1

    Champdx

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    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
    Champdx, Mar 22, 2010
  2. jcsd
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  3. Mar 22, 2010 #2

    icystrike

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    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)
     
    icystrike, Mar 22, 2010
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