Question

look at this set of ordered pairs: (13, 4) (-17, 20) (2, 19) (6, -20) (10, -20) is this relation a function? yes no

Explanation:

Step1: Identify input values (x)

The x-values are $13, -17, 2, 6, 10$

Step2: Check for repeated x-values

All x-values are unique; no duplicates.

Step3: Apply function definition

A relation is a function if each x-value maps to exactly one y-value.

Answer:

yes