Determine if the Relation is a Function {(-7,-12),(-3,-5),(1,16),(8,18)}

${(- 7, - 12), (- 3, - 5), (1, 16), (8, 18)}$

Step 1

Since there is one value of $y$ for every value of $x$ in $(- 7, - 12), (- 3, - 5), (1, 16), (8, 18)$ , this relation is a function.