Determine if the Relation is a Function f=((5,2),(3,4),(5,6))

$f = ((5, 2), (3, 4), (5, 6))$

Step 1

Since $x = 5$ produces $y = 2$ and $y = 6$ , the relation $(5, 2), (3, 4), (5, 6)$ is not a function.