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Mathematics, 26.12.2021 17:30 webbhlharryteach

Given $f:\mathbb{R}\rightarrow\mathbb{R}$ defined by $f(x)=x+7\ (if\ x\leq1)$ and $f(x)=8x\ (if x\ \textgreater \ 1)$ . Find an expression for the inverse function $f^{-1}:\mathbb{R}\rightarrow\mathbb{R}$

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