Algebra Examples

$R = (- 1, 2)$ , $(2, - 1)$ , $(3, 2)$ , $(- 1, - 1)$

Step 1

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

The relation is not a function.