Pre-Algebra Examples

$(2, r)$ , $(4, - 1)$

Step 1

Since there is one value of $y$ for every value of $x$ in $(2, r), (4, - 1)$ , this relation is a function.

The relation is a function.

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