sketch the graph of a function y=f(x) with all of the following properties: f′(x)>0 for −2≤x<1 f′(2)=0 f′(x)>0 for x>2 f(2)=2 and f(0)=1 limx→−[infinity]f(x)=0 and limx→[infinity]f(x)=[infinity] f′(1) does not exist.