plz help find inverse of f(x)=3+X^3

Complex numbers, rational functions, logarithms, sequences and series, matrix operations, etc.
kunikita
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plz help find inverse of f(x)=3+X^3

Postby kunikita » Thu Jun 11, 2009 6:32 am

please help me find the inverse of f(x)=3+X^3

please show steps as well so i can learn...also

please help me show that f(x)=3x-4 and g(x)=x+4/3 are inverses

Thank you very much ^^

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stapel_eliz
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Postby stapel_eliz » Thu Jun 11, 2009 11:17 am

To learn the steps for finding inverse functions, try here.

To "show" that two functions are inverses, you will need to compose the two functions and verify that you end up with just "x". :wink:

kunikita
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Re: plz help find inverse of f(x)=3+X^3

Postby kunikita » Sun Jun 14, 2009 7:23 am

Cool! Thank alot! :D


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