HELPPfind the inverse function of f.f(x) = 9x + 7

asked Nov 11, 2023 364 views

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we have the following:

$f\mleft(x\mright)=9x+7$

the inverse is:

$\begin{gathered} x=9f(x)+7 \\ 9f(x)=x-7 \\ f(x)=(x-7)/(9) \end{gathered}$

Andrew Rose answered Nov 16, 2023

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