Consider the equation below. (If an answer does not exist, enter DNE.) F(x) = x- - x - In(x) (a) Find the interval(s) on which f is increasing. (Enter your answer using interval notation.) Find the interval(s) on which fis decreasing. (Enter your answer using interval notation.) (b) Find the local minimum and maximum value of f. local minimum value local maximum value (c) Find the inflection point. ( x, y ) = Find the interval(s) on which fis concave up. (Enter your answer using interval notation.) Find the interval(s) on which fis concave down. (Enter your answer using interval notation.)