Question Number 67382 by Mikael last updated on 26/Aug/19
$${calculate}\:{if}\:{there}\:{are}\:{maxims}\:{and}\:{minimus}\:{of} \\ $$$${the}\:{following}\:{function}: \\ $$$${y}=\begin{cases}{{x}^{\mathrm{2}} +\mathrm{1}\:{if}\:{x}\lneq\mathrm{1}}\\{−{x}+\mathrm{4}\:{if}\:{x}\geqslant\mathrm{1}}\end{cases} \\ $$
Commented by mr W last updated on 26/Aug/19
Commented by mr W last updated on 26/Aug/19
$${local}\:{minimum}\:{at}\:{x}=\mathrm{0} \\ $$
Commented by Mikael last updated on 26/Aug/19
$${thank}\:{you}\:{Sir}.\: \\ $$