Practice Test 11

For $w$ on $-2,5$, $w'(x)>0$ on $(-2,1)$ and $w'(x)>0$ on $(1,5)$. What happens at $x=1$?

A differentiable function $L$ has $L'(x)<0$ on $( -1,2)$ and $L'(x)>0$ on $(2,8)$. Where does $L$ have a local minimum?