Algebra Examples

${(- 6, - 5), (- 3, - 7), (4, 6), (4, 8)}$

Step 1

Since $x = 4$ produces $y = 6$ and $y = 8$ , the relation $(- 6, - 5), (- 3, - 7), (4, 6), (4, 8)$ is not a function.

The relation is not a function.