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Inverse Function

  1. Feb 7, 2006 #1

    G01

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    I can't seem to find the inverse to these two functions:

    f(x) = 3 + x^2 + tan(pi x/2) -1/x/1

    f(x) = x^3 +x +1

    I've tried manipulating these both for a half hour. But I havn't found the way to find the inverses of these. Any hints?
     
  2. jcsd
  3. Feb 8, 2006 #2

    Tide

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    It might help if you stated exactly what the problem is that you need to solve. Did the question say anything about graphing?
     
  4. Feb 8, 2006 #3

    G01

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    Nope, no graphs. Im supposed to find the inverse by solving the equation explicitly for x and then switch the variables to find the inverse.
     
  5. Feb 8, 2006 #4

    JasonRox

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    He's asking for the inverse, which is pretty clear in his post.

    Personally, I thank god I don't have to do that. The second doesn't look so bad though.
     
  6. Feb 8, 2006 #5

    benorin

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    Tried reversion of power series yet?
     
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