Identify the open intervals on which the graph of the function is increasing or decreasing. Assume that the graph extends past what is shown. _ . . . _ .0 . . . . . . _ _ . . . _ 8 . . . . . . _ Note: Use the letter U for union. To enter ()0, type innity. Enter your answers to the nearest integer. If the function is never increasing or decreasing, enter NA in the associated response area. increasing: a IE ...n... :1: [a