Precalculus Examples

$(- 2, 1)$ , $(2, 1)$ , $(- 6, 3)$ , $(6, 3)$

Step 1

Since there is one value of $y$ for every value of $x$ in $(- 2, 1), (2, 1), (- 6, 3), (6, 3)$ , this relation is a function.

The relation is a function.