Q5. [10 marks] Determine the points at which the following functions are discontinuous. Describe the type(s) of discontinuity at the points from the following list: removable, jump, infinite, or none of these. 24 + x - 2 (a) f (ac ) = x2 + 3x + 2 x + 2 ifx 3 x +1 (c ) f (20) 2 - 2 Q6. Let a be a positive real number. Evaluate the following limits in terms of a Vaz + x - a (a) [5 marks] lim az - x - Vaz +x (b) [5 marks] lim