Finite Math Examples

$(1, 5)$ , $(- 1, 4)$ , $(1, 3)$ , $(5, - 2)$

Step 1

Since $x = 1$ produces $y = 5$ and $y = 3$ , the relation $(1, 5), (- 1, 4), (1, 3), (5, - 2)$ is not a function.

The relation is not a function.