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Math Help - inverse function

  1. June 3rd 2011, 11:09 PM #1
    footmath
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    inverse function

    hello.
    would you solve this problem?
    inverse function: f(x)=x^3+x+sqrt{x}
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  2. June 3rd 2011, 11:24 PM #2
    chisigma
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    Quote Originally Posted by footmath View Post
    hello.
    would you solve this problem?
    inverse function: f(x)=x^3+x+sqrt{x}
    Set \sqrt{x}=t and the solve in t the equation t^{6}+ t^{2} + t -y =0 ...

    Kind regards

    \chi \sigma
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  3. June 3rd 2011, 11:44 PM #3
    footmath
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    yes but how?
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  4. June 4th 2011, 03:15 AM #4
    mr fantastic
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    Quote Originally Posted by footmath View Post
    hello.
    would you solve this problem?
    inverse function: f(x)=x^3+x+sqrt{x}
    Why are you trying to find the inverse of this function? Please post the whole question.
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