Write five ordered pairs to represent a relation that is not a function

(1, 1), (1, 2), (1, 3), (1, 4), (1, 5)

Step-by-step explanation:

As long as the same x-coordinate appears more than once, the is not a function.

(1, 1), (1, 2), (1, 3), (1, 4), (1, 5)