Answer
x-intercepts: $\pm 3,$
y-intercept: none.
Work Step by Step
The y- intercept is the value $r(0)$, if defined.
$ r(0)=\displaystyle \frac{0-9}{0}\qquad$
Which is not defined, so there is no y-intercept.
The x intercepts are values of x where $r(x)=0.$
$r(x)=0$ occurs when the numerator equals 0.
The numerator is zero when
$x^{2}-9=0$
$x^{2}=9$
$x=\pm 3$
