Given the function f(I) = 6 List the x-coordinates of the critical values (enter DNE if none) List the x-coordinates of the inflection points (enter DNE if none) List the intervals over which the function is increasing or decreasing (use DNE for any empty intervals) Increasing on Decreasing on List the intervals over which the function is concave up or concave down (use DNE for any empty intervals) Concave up on Concave down on Submit