. 35in (353) . _ 6. Use your graphing calculator to graph f(x) = x + 7' Sketch its graph on your paper. 9 pomts 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 c {the 'c' that you determined in part i}. What is the limit as x a c ? Provide a table of values that you have used to answer this. c. Now show analytically that the limit asx approaches c is that which you found in part