3 3. Sketch the graph of a continuous function f (3:) with domain [0, 2] which is dierentiable up to second order on (0,2) (f'tn) and f"($) both exist for 311:1: in {l}, 2)) and satises: (a) HI) = 0 (b) f"(1:) > 0 in (0,1) and (1,2)