## Precalculus: Mathematics for Calculus, 7th Edition

(a) the x intercept(s) are $x=-3,3$, and the y intercept(s) $y=-1,2$. (b) The graph is symmetric about the y- axis
(a) at the points $x=-3,3$ y is equal to 0. at the points $y=-1,2$ x is equal to 0. (b) The graph on left of the y axis is symmetric with the right side of the y axis.