The following questions are to be answered with full solutions. Be sure to focus on proper mathematical form, including: (5 marks) . One equal sign per line . Equal signs in each question lined up vertically with each other . No self-developed short form notation . One step or idea per line (do not do steps in your head that are not written down; each line must represent a step-by-step progression from question to answer) Give examples of two functions, the first of which has lim f (ac) = 8 x- 2 and a second function for which lim f (a ) does not exist x-2