5 . Use the graph of f(x) to answer the following: 2 pts each) a) Which is greater? (Circle one.) f (x ) f(3) or f(6) b ) Which is greater? (Circle one.) f'(2) or f'(4) + X 6 C ) Is f'(1) positive or negative? (Circle one.) d) Is f"(1) positive or negative? (Circle one.)