5 Points] DETAILS Consider the following function. f(x)= Greasy Lake Google Tran Things to do Group W 171 Section Liegest PREVIOUS ANSWERS LARCALC11 3.3.037. MY NOTES ASK YOUR TEACHER (a) Find the critical numbers of f. (Enter your answers as a comma-separated list.) x= 0 (b) Find the open intervals on which the function is increasing or decreasing. (Enter your answers using interval notation. If an answer does not exist, enter DNE) Increasing (-00,-2) U(-2,0) decreasing (0,2) U (2,00) (c) Apply the First Derivative Test to idelitify the relative extremum. (If an answer does not exist, enter ONE.) relative maximum (x, y) - -C relative minimum (x, y)- Need Help? Read I Wach PRACTICE ANOTHER