Determine whether the table defines y as a function of x .
$\begin{array}{|c|c|}
\hline\text { x } & \text { y } \
\hline 1& 5 \
2 &14 \
3& 25\
4&17 \
1 & 9 \
\hline
\end{array}$

Question

Determine whether the table defines y as a function of x . 
$\begin{array}{|c|c|}
  \hline\text { x } &   \text { y } \
  \hline 1& 5 \
2 &14 \
3& 25\
4&17 \
1 & 9 \
\hline
\end{array}$

Quizplus · Accepted Answer

For a relation to define y as a function of x, each x-value must correspond to exactly one y-value. Here, x = 1 corresponds to two different y-values (5 and 9), violating the definition of a function.

Determine Whether the Table Defines Y as a Function of X