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Math Help - Inverse Function

  1. #1
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    Inverse Function

    Hey guys, here's the problem:

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    I know how to do an inverse, I'm just having a very difficult time with this set of numbers.. Thank you so much!
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  2. #2
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    Re: Inverse Function

    For y= \frac{1}{\sqrt{x^2-1}} swap y and x, then solve for y.
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  3. #3
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    Re: Inverse Function

    Brief tangent: am I the only person that found the wording of "verify the correctness of your answer" to be highly amusing?
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  4. #4
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    Re: Inverse Function

    Haha, yeah my teacher is pretty intense..
    So, after swapping, I'm having a hard time doing the algebra..
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  5. #5
    Super Member Quacky's Avatar
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    Re: Inverse Function

    At first glance, I'd consider multiplying through by the denominator, then squaring both sides.
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  6. #6
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    Re: Inverse Function

    Quacky's idea is good, What did you get AlexWilson94?
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  7. #7
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    Re: Inverse Function

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  8. #8
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    Re: Inverse Function

    Looks good well done!
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  9. #9
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    Re: Inverse Function

    Sweet! Would you mind helping me out with another problem I posted, it's in this same section on Cramer's Rule!
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