Question

Sa se determine punctele de extrem pt functia f:D-›R

Answer 1

$f'(x)= e^{x}+(x-1) e^{x}= e^{x}(1+x-1)=x e^{x} \\ f'(x)=0;x e^{x} =0 \\-------0+++++++\ \textgreater \ x \\ x_{min}=0;f(0)=-1$