Answer
Please see the graph.
Work Step by Step
$y=(1/3)^x$
$x=0$
$y=(1/3)^x$
$y=(1/3)^0$
$y=1$
$x=1$
$y=(1/3)^x$
$y=(1/3)^1$
$y=1/3$
$x=2$
$y=(1/3)^x$
$y=(1/3)^2$
$y=1/9$
The points $(0,1)$, $(1, 1/3)$, and $(2, 1/9)$ are on the curve.