For example, let's choose $x$ values of $-3$, $0$, and $3$.
When $x=-3$, $y=\frac{1}{3}(-3)=-1$.
When $x=0$, $y=\frac{1}{3}(0)=0$.
When $x=3$, $y=\frac{1}{3}(3)=1$.
So, our table of values is:
\[
\begin{array}{|c|c|}
\hline
x & y \\
\hline
-3 & -1 \\
0
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