Algebra Examples

${(1, 2), (- 2, 3), (1, 3), (- 2, 2)}$

Step 1

Since $x = - 2$ produces $y = 3$ and $y = 2$ , the relation $(1, 2), (- 2, 3), (1, 3), (- 2, 2)$ is not a function.

The relation is not a function.