I need assistance with these questions

Use the graph of the function ((x) displayed below to answer the following questions. ..... -2 10 B. .... ..... (a) Find the critical values where f'(x) =0 . (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X = (b) Find the critical values where f'(x) DNE . (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X= (c) Find the x-coordinate(s) of the relative maxima for f(x). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) (d) Find the x-coordinate(s) of the relative minima for f(x). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X=1. [0/1.5 Points] DETAILS PREVIOUS ANSWERS 3/6 Submissions Used Use the graph of the function F(x) displayed below to answer the following questions. The domain of F(x) is (-me, ce) . 3 6 11 15 (a) Find all critical values for F(x) . (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X (b) Give all intervals where F(x) is decreasing. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) (c) Find the x-coordinate(s) of the relative minima for F(x) . (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)