Algebra Examples

$(- 1, 9)$ , $(0, 6)$ , $(1, 5)$ , $(2, 18)$

Step 1

Since there is one value of $y$ for every value of $x$ in $(- 1, 9), (0, 6), (1, 5), (2, 18)$ , this relation is a function.

The relation is a function.