Algebra Examples

${(5, 15), (6, 18), (7, 21)}$

Step 1

Since there is one value of $y$ for every value of $x$ in $(5, 15), (6, 18), (7, 21)$ , this relation is a function.

The relation is a function.

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