3. [13 Points] The glaph at tile Function H'(x} is shown below. Use the graph bu answer the following. Flnd the value's} of): where the function is discontinuous; i.e. not. continuous. (Enter your answers as a comma-seoamied list. If an answer does not exist, enter DNE.) 4. [14 Points] Determine the intervals on which the following function is continuous. _ 14 m ' (x 4):: a)