Question Number 135211 by benjo_mathlover last updated on 11/Mar/21
$$\mathrm{Find}\:\mathrm{minimum}\:\mathrm{value}\:\mathrm{of}\:\mathrm{function} \\ $$$$\mathrm{f}\left(\mathrm{x}\right)\:=\:\frac{\mathrm{4x}^{\mathrm{2}} +\mathrm{8x}+\mathrm{13}}{\mathrm{6}\left(\mathrm{1}+\mathrm{x}\right)} \\ $$
Commented by mr W last updated on 11/Mar/21
$$\underset{{x}\rightarrow−\mathrm{1}^{−} } {\mathrm{lim}}{f}\left({x}\right)=−\infty \\ $$$$\underset{{x}\rightarrow−\mathrm{1}^{+} } {\mathrm{lim}}{f}\left({x}\right)=+\infty \\ $$$$\Rightarrow{there}\:{is}\:{no}\:{minimum}\:{and}\:{no} \\ $$$${maxinum}\:{for}\:{f}\left({x}\right)! \\ $$
Commented by benjo_mathlover last updated on 11/Mar/21
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