I'm confused on how to answer question number 13, any help would be greatly appreciated!
If the displacement function for a particle moving a then the instantaneous velocity of the particle at t (A) 4.7 (B) 47 (C) 4 Question 13 Let f be the fiunction defined by the following. f(x) = x-1, #2 2 Which of the following statements are true? I. 11, 111, lin)/(z) exists. f is continuous at x = 2. f is differentiable at z = 2. (A) I only (C) I and II only (E) I, II, and III (B) I and III only (D) II and III only uestion 14