Pre-Algebra Examples

$(x, - 2)$ , $(r, - 2)$ , $(y, - 2)$ , $(f, 1)$

Step 1

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

The relation is a function.