## Precalculus (6th Edition) Blitzer

a. $[-4,\infty)$ b. $(-\infty,3]$ c. $\pm4$ d. $2$ e. $(-4,-2)$ f. $(-2,\infty)$ g. $-2$ h. $3$ i. $2$
Based on the given graph, we have: a. the domain of f: $[-4,\infty)$ b. the range of f: $(-\infty,3]$ c. the x-intercepts: $x=\pm4$ d. the y-intercept: $y=2$ e. interval(s) where f is increasing: $(-4,-2)$ f. interval(s) where f is decreasing: $(-2,\infty)$ g. the number at which f has a relative maximum: $x=-2$ h. the relative maximum of f: $f(-2)=3$ i. $f(-3)=2$