Question 12 For any function f, which of the following statements must be true? I. If fis defined at x = a, then lim f (x) = f (a). II. If fis continuous at x = a, then lim f (x) = f (a). Ill. If fis differentiable at x = a, then lim f (x) = f (a). A Ill only B I and II only C Il and III only D I, II, and Ill