Does the table describe a function?
$\begin{array}{|c|c|c|c|c|c|}
\hline \text { Input value } & 5 & 10 & 13 & 10 & 5 \
\hline \text { Output value } & -13 & -9 & 0 & 9 & 13 \
\hline
\end{array}$

Question

Quizplus · Accepted Answer

A function must assign exactly one output to each input. Here, the input values 5 and 10 are each paired with two different outputs, violating the definition of a function.

Does the Table Describe a Function