79 For which of the following does lim f ( x) exist? x-M Graph off Gmph off Graph of f (A) I only (B) [I only (C) I]! only (D) I and II only (E) I and Ill only ljThc function f ts continuous and differentiable on the closed interval [0,4]. The table above gives "" selected values of f on this interval. Which of the following statements must be true? (A) The minimum value off on [0,4] is 2. (B) The maximum value off on [0,4] is 4. (C) f(x)>0 for 0