4. Use the graph to find the following values. If a value does not exist, explain the reason. [12 pts] a. lim f(x) b. lim f(x) x - 0+ c. lim f(x) X-0 x-0 d. lim f(x) e. lim f(x) f. lim f(x) x--2 x--2 x-- 2 g. lim _f(x) h. lim f(x) i. lim f(x) X--4 X--4+ X--4 6- 5 f -X 4 2 -1 1 2 3 4 5