The completed table of coordinates is:
\[
\begin{tabular}{|c|c|c|c|c|c|}
\hline \mathbf{x} & -2 & -1 & 0 & 1 & 2 \\
\hline \mathbf{y} & \frac{9}{4} & \frac{3}{2} & 1 & \frac{2}{3} & \frac{4}{9} \\
\hline
\end{tabular}
\]
{"axisType": 3, "coordSystem": {"xmin": -3, "xmax": 3, "ymin": -1, "ymax": 3}, "commands": ["y = (2/3)**x"], "latex_expressions": ["$y = \\left(\\frac{2}{3}\\right)^{x}$"]}