Algebra Examples

${(- 3, 9), (- 2, 4), (- 1, 1), (0, 0), (1, 1), (2, 4), (3, 9)}$

Step 1

Since there is one value of $y$ for every value of $x$ in $(- 3, 9), (- 2, 4), (- 1, 1), (0, 0), (1, 1), (2, 4), (3, 9)$ , this relation is a function.

The relation is a function.