Please help with these!

. (6 points) For the graph below nd: a. the intervals of increase b. the intervals of decrease 0. local maximums d. local minimums e. the intervals where the graph is concave up f. the intervals where it is concave down. e. the intervals where the graph is concave up f. the intervals where it is concave down. 2 -4 -3 -2 -1 4 A CO NO H