Pre-Algebra Examples

$(- 1, 7)$ , $(5, 7)$ , $(- 1, 2)$ , $(- 7, - 6)$

Step 1

Since $x = - 1$ produces $y = 7$ and $y = 2$ , the relation $(- 1, 7), (5, 7), (- 1, 2), (- 7, - 6)$ is not a function.

The relation is not a function.