If the Following Defines a One-To-One Function, Find Its Inverse

If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."
- $$\begin{array}{l}\begin{array} { c | c } x & f ( x ) \\\hline 2 & 24 \\\hline 9 & - 4 \\\hline 13 & - 4 \\\hline 17 & 18\end{array}\\\\\begin{array} { l | l } \mathrm { x } & \mathrm { f } ^ { - 1 } ( \mathrm { x } ) \\\hline & \\\hline & \\\hline & \\\hline &\end{array}\end{array}$$

A) $\begin{array} { c | c } \mathrm { x } & \mathrm { f } ^ { - 1 } ( \mathrm { x } ) \\\hline 24 & 2 \\\hline - 4 & 9 \\\hline - 4 & 13 \\\hline 18 & 17\end{array}$
B) $\begin{array} { c | c } \mathrm { x } & \mathrm { f } ( \mathrm { x } ) \\\hline 2 & 18 \\\hline 9 & 24 \\\hline 13 & - 4 \\\hline 17 & - 4\end{array}$
C) $\text { Not one-to-one }$
D) $\begin{array} { c | c } \mathrm { x } & \mathrm { f } ^ { - 1 } ( \mathrm { x } ) \\\hline 24 & 2 \\\hline - 4 & 9 \\\hline - 4 & 17 \\\hline 18 & 13\end{array}$