F (x) = x4/ 5(x - 6)2 Find the derivative of the function. CT / MA 14x 144 108x + F' (X ) = 5 5x 5 Find the values of x such that F'(x) = 0. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X = Find the values of x in the domain F such that F'(x) does not exist. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X = Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X = (6,0), (0,0) X