4. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET9 2.3 Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.) lim (6x - 3) X - -8 DNE X Need Help? Read It 5. [-/1 Points] DETAILS SCALCET9 2.3.012. Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.) lim 4 -X x - 9 Need Help? Read It 6. [-/4 Points] DETAILS SCALCET9 2.3.014.MI.SA. This question has several parts that must be completed sequentially. If you sk Tutorial Exercise Evaluate the limit, if it exists. X- - 6x lim x-6 x2 - 5x - 6