Question

look at this set of ordered pairs: (20, 15) (1,11) (-1, 13) (20, 11) (0, 15) is this relation a function? yes no submit

Explanation:

Step1: Identify input (x) values

The x-values from the ordered pairs are: $20, 1, -1, 20, 0$

Step2: Check for repeated x-values

The x-value $20$ appears twice, paired with $15$ and $11$. A function requires each x-value to map to exactly one y-value.

Answer:

no