G2. With paper and pencil, sketch the graph of a function y = f (x) with the following properties: domain: (-co, 0) U (0, co) ; f' (2) > 0 for 0 >4, f" (2) > 0 for -4 > 2, lima + f(x) = 2, lime-+0% f (2) = -co, limz +0- f(z) = -co, limz ,0+ f() = 4, f(-2) = 1