Ssin (Jr-3) 953 6. Use your graphing calculator to graph f(x) = x + . Sketch its graph on your paper. 9 points a. At what point, c, is there a point of discontinuity? What kind of discontinuity? Why? b. Use a table to determine the limit ofx) as x approaches 6 [the 'c' that you determined in part i}. What is the limit as x > c ? Provide a table of values that you have used to answer this