Directions: Use the function f(x) below to answer the following questions. Find the open interval(s) on which f is increasing / decreasing. 1. Increasing: 2. Decreasing: Answer Formats f(x)=3x 6 sin(x) defined for (0, 2) If necessary, use -INF and INF to denote -oo and . If the function is not increasing / decreasing for any interval, enter NONE. If there is more than one interval, type your answer as a comma separated list. For example: (a1, a2), (b1, b2).