Algebra Examples

${(4, 9), (4, 10), (4, 11)}$

Step 1

Since $x = 4$ produces $y = 10$ and $y = 11$ , the relation $(4, 9), (4, 10), (4, 11)$ is not a function.

The relation is not a function.

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$