Can you show me how to get the correct answer?

8. 0 1 2 3 4 f' (z) -3 0 -1 5 0 -3 f" (a ) 5.3 -2.0 1.7 -0.5 1.2 -5.1 Let f be a twice-differentiable function. Selected values of f and f" are shown in the table above. Which of the following statements are true? I. f has neither a relative minimum nor a relative maximum at x = 1. II. f has a relative maximum at x = 1. III. f has a relative maximum at x = 4. (A) I only (B) HI only (C) III only (D) I and III only