I'm doing a review for calculus and I'm confused on how to answer these two questions, may someone help me solve them please?

The twice-differentiable function f is shown below on the domain (-9, 9). The function f has points of inflection at z = -8, z = -2.3, x = 2.8, x = 8, shown with small green circles on the graph. Determine what could be said about the values of f ( 4 ) , f' (4 ) , and f" ( 4 ) . Graph of f Of ( 4 )