Pre-Algebra Examples

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

Step 1

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

The relation is not a function.