ction 2.4 Exercises the following exercises, determine the point(s), if any, at which each function is discontinuous. Classify any continuity as jump, removable, infinite, or other. 31. f (2) = 32. f ( ac ) = 2 x2 + 1 33. f (x) = ac ac 2 - x 34. g ( t ) = t-1 +1 135. f () = - 5 ex - 2 136. f (a) = x -2