The graph of a polynomial function,Ax), is pictured to the right. Which of the following statements is/are true about f'(x)? Graph of f(x) I. f'(x)<0 on the interval (-1, 2). (-1, 5) II. f'(x) changes from negative to positive when x=-1. III. There are two values of x such that f'(x)= 0. 4 -3 2 -1 A. I and III only B. Ionly C. III only D. I and II only (2, -2) in

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