Determine if the Relation is a Function P(x)={(1,11),(2,22),(3,33),(4,44)}

$P (x) = {(1, 11), (2, 22), (3, 33), (4, 44)}$

Step 1

Since there is one value of $y$ for every value of $x$ in $(1, 11), (2, 22), (3, 33), (4, 44)$ , this relation is a function.