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Math Help - are these 2 functions inverse of each other?

  1. #1
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    are these 2 functions inverse of each other?

    Yes right?
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by rj2001 View Post
    Yes right?


    --Chris
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  3. #3
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    so i switched x and y
    - 12
    then?

    something with cubing
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  4. #4
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    Quote Originally Posted by rj2001 View Post
    so i switched x and y
    - 12
    then?

    something with cubing
    To make y the subject you cube root both sides.
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  5. #5
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    x-12^1/3=y so this is the answer?
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  6. #6
    Rhymes with Orange Chris L T521's Avatar
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    This graph shows that they are inverses:



    The blue and cyan graphs are inverses of each other, since they reflect each other across the green graph y=x.

    --Chris
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  7. #7
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by rj2001 View Post
    (x-12)^1/3=y so this is the answer?
    Now its correct!

    Parenthesis are needed!

    --Chris
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