Question

look at this set of ordered pairs:
(17, 5)
(17, 9)
(13, 1)
is this relation a function?
yes no

Explanation:

Step1: Identify input values

The input (x-values) are 17, 17, 13.

Step2: Check function definition

A function requires each input to have only one output. Here, the input 17 maps to both 5 and 9, violating the rule.

Answer:

no