The relation r is shown below as a list of ordered pairs. r = { (1, 4), (1, 3), (-1, 3), (2, 15) } which ordered pairs prevent this relation from being a function? (1, 4) and (1, 3), because they have the same x-value (1, 3) and (–1, 3), because they have the same y-value

(1,4) and (1,3)

Step-by-step explanation:

A function may not have two y-values assigned to the same x-value, it may have two x-values assigned to the same y-value

Therefore the order pair (1,4) and (1,3) prevents this relation from being a function.

Each x has only one y-value.

i think it might be a but you might want a second opinion