Let f be the function defined by f(x) = 3 x* -
3x3 +
2x2 + sin x. For how many values of x in the open interval
(0, 2) is the instantaneous rate of change of f equal to the average rate of change of f on the closed interval [0, 2]?
(A) Zero
(B) One
(C) Two
(D) Three