Question

look at this set of ordered pairs: (16, 19) (4, 0) (1, 12) (2, 11) is this relation a function? yes no

Explanation:

Step1: Recall function definition

A relation is a function if each input (x - value) has exactly one output (y - value).

Step2: Check x - values

The x - values in the ordered pairs are 16, 4, 1, 2. Each x - value appears only once. So each input has exactly one output.

Answer:

yes