Algebra Examples

${(14, 9), (15, 8), (8, 7), (1, 9), (15, 2)}$

Step 1

Since $x = 15$ produces $y = 8$ and $y = 2$ , the relation $(14, 9), (15, 8), (8, 7), (1, 9), (15, 2)$ is not a function.

The relation is not a function.