Question

Which of the following relations is a function?
A. (2, 0), (-5, 3), (5, 1), (-5, 5)
B. (2, 4), (-5, 6), (2, 3), (-6, 2)
C. (5, 1), (-5, 4), (2, 1), (5, 2)
D. (2, 4), (-5, 2), (5, 1), (-6, 2)

Answer 1

The answer is D

This is because you have to look at the x values
In order for the relations to be a function, they have to not have the same x values

Option D is the only choice that does not have multiple x values that are the same

Answer 2

Thanks

Answer 3

Welcome :)