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Mathematics 20 Online
OpenStudy (anonymous):

okay here we go who can answer this one LOL for (x) =1/4x-5 find (fof-1)(-7)

OpenStudy (anonymous):

it is -7

OpenStudy (anonymous):

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

OpenStudy (anonymous):

so this is how i would right it out

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