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Mathematics 8 Online
OpenStudy (anonymous):

f(x)=1-x/3x+2. Find f^-1[f(5/6)]

OpenStudy (anonymous):

didn't we just find \(f^{-1}(x)\)?

OpenStudy (anonymous):

Yeah but I'm a little bit confused

OpenStudy (anonymous):

\[f(f^{-1}(x))=x\]

OpenStudy (anonymous):

and so \[f(f^{-1}(\frac{5}{6}))=\frac{5}{6}\]

OpenStudy (anonymous):

That's what i thought! Thanks!

OpenStudy (anonymous):

yw

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