look at this table: is this relation a function? yes no

look at this table: is this relation a function? yes no
Answer
Explanation:
Step1: Recall function definition
A relation is a function if for each input (x - value) there is exactly one output (y - value).
Step2: Check x - values in table
In the given table, the x - values are 4, - 16, 6, 3. Each of these x - values has a unique y - value associated with it. There are no repeated x - values with different y - values.
Answer:
yes