[0.26/1.04 Points] DETAILS ISWERS Sketch the graph of f by hand and use your sketch to find the absolute and local maximum and minimum values of f. (If an answer does not exist, enter DNE.) 16 - x2 f(x) = 16-x2 - absolute maximum 16 if -4 x < 0 if 0 x 4 x absolute minimum 0 local maximum DNE local minimum DNE x Enhanced Feedback Please try again. Use the first and second derivatives to find the intervals where the function is increasing or decreasing, and where the function is concave up or down