Which of the following statements is/are true? y = f(x) y = f(x) 1 y = f(x) -1 X 2 -1 * X -1 X 1 1) limx -> of(x) = 0 Il) limx-> of(x) = 1 Ill) limx -> 1 f(x) = -1 OI O l and Il O I, II, and Ill