Algebra Examples

$(0, 0)$ , $(1, 5)$ , $(2, 20)$ , $(3, 45)$ , $(4, 80)$

Step 1

Since there is one value of $y$ for every value of $x$ in $(0, 0), (1, 5), (2, 20), (3, 45), (4, 80)$ , this relation is a function.

The relation is a function.