How do I do this?

3. Sketch the graph of rs) and determine its limit properties. 1+3:2 if 5930 me): 23: if 02 a) Determine where x) does not have a left limit. b) Determine where f (as) does not have a right limit. c) Determine where x) has a. limit. ( (1) Determine where f 59) is not continuous