Algebra Examples

$(5, - 7)$ , $(4, 6)$ , $(- 3, 8)$ , $(5, 9)$

Step 1

Since $x = 5$ produces $y = - 7$ and $y = 9$ , the relation $(5, - 7), (4, 6), (- 3, 8), (5, 9)$ is not a function.

The relation is not a function.