Given that \({{D}_{\mathrm{f}}}=(-\infty ,\ln 2)\)and \({{R}_{\mathrm{f}}}=(0,5)\).
Sketch \(\mathrm{f}{{\mathrm{f}}^{-1}}(x)\) and \({{\mathrm{f}}^{-1}}\mathrm{f}(x)\).
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