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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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