Practice problem

Domain of Inverse Function

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The table below are the inputs and outputs for $f(x)$ . What is the domain for the inverse of that function?

\begin{array}{|l|l|} \hline x&0&1&2&3&4&5&6&7&8&9\\ \hline f(x)&6&89&47&3&68&31&7&9&71&4\\ \hline \end{array}