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Mathematics 18 Online
OpenStudy (anonymous):

Please view attachment.

OpenStudy (anonymous):

sam (.sam.):

you can start by letting y=f(x) \[y=\sqrt[3]{x-8}\] Find x in terms of y will get you \(f^{-1}(x)\)

OpenStudy (anonymous):

@.Sam. i am so lost!

OpenStudy (anonymous):

\[\frac{ x ^{3}+216 }{ 27 }??\]

OpenStudy (anonymous):

wait!

OpenStudy (anonymous):

wait! \[x^{3}+8??\]

sam (.sam.):

Like this \[y=\sqrt[3]{x-8}\] Cube both sides \[y^3=x-8 \\ \\ y^3+8=x \\ \\ f^{-1}(x)=x^3+8\]

sam (.sam.):

Yes you got it

OpenStudy (anonymous):

Awesome!!! THANK YOUUUUUU :*:*:*:*

sam (.sam.):

yw

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