29. lim = 0 x - 2+ 2x - 4Write each limit in Exercises 19-42 as a formal statement involving 8, 6, N, and/or M, and sketch a graph that illus- trates the roles of these constants. In the last six exercises you may take f to be any appropriate graph.ulent)e 9. If lim f(x) = 2, then for all e > 0, there is some N > 0 x-+00 such that if x E _, then f(x) EUse interval notation to fill in the blanks that follow. Your answers will involve 8, e, N, and/or M. 7. If lim f(x) = 5, then for all e > 0, there is some 8 > 0 x-+ 2 such that if x e , then f(x) e_ ne