\begin{tabular}{|c|c|}
\hline
[tex]$x$[/tex] & [tex]$y$[/tex] \\
\hline
-6 & -7 \\
\hline
-1 & 1 \\
\hline
0 & 9 \\
\hline
3 & -2 \\
\hline
\end{tabular}
What is the domain of the given function?
A. [tex]$\{x \mid x=-6,-1,0,3\}$[/tex]
B. [tex]$\{y \mid y=-7,-2,1,9\}$[/tex]
C. [tex]$\{x \mid x=-7,-6,-2,-1,0,1,3,9\}$[/tex]
D. [tex]$\{y \mid y=-7,-6,-2,-1,0,1,3,9\}$[/tex]