Answer
Please see the graph.
Work Step by Step
$y=\log_{1/3}x$
$y=\log_{1/3}x$
$x=(1/3)^y$
$y=-1$
$x=(1/3)^y$
$x=(1/3)^{-1}$
$x=1/(1/3)$
$x=3$
$y=-2$
$x=(1/3)^y$
$x=(1/3)^{-2}$
$x=(1/(1/3))^2$
$x=1^2/(1/3)^2$
$x=1/(1/9)$
$x=9$
$(3,-1)$ and $(9,-2)$ are on the curve.