Algebra Examples

$(3, - 9)$ , $(3, 3)$ , $(4, 9)$ , $(7, 4)$ , $(10, 7)$

Step 1

Since $x = 3$ produces $y = - 9$ and $y = 3$ , the relation $(3, - 9), (3, 3), (4, 9), (7, 4), (10, 7)$ is not a function.

The relation is not a function.