What is the largest value of x that would make the following list of a points not a function.

Question

{(___,
14
14), (
1
1,
16
16), (
17
17,
21
21))

Answer 1

The largest value of x that would make the list of points not a function is 14. This is because there are two different y-values (14 and 16) for x=14 in the list, which violates the definition of a function.