8. [-/0.33 Points] DETAILS SCALCET9 4.3.020. Consider the following. (If an answer does not exist, enter DNE.) f(x) In(2+ sin(x)), 0 x 2 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.) Find the inflection points of f. smaller x-value (x, y) = = larger x-value (x, y)