## Precalculus (6th Edition) Blitzer

(a) has no interval where it is increasing (b) is decreasing in the interval $(-2, 6)$ (c) has no interval where it is constant
Based on its graph, the given function: (a) has no interval where it is increasing (b) is decreasing in the interval $(-2, 6)$ (c) has no interval where it is constant