Question

Which of the following lists of ordered pairs is a function?

O A. (2, 4), (0, 2), (2, -4), (5,3)
O B. (1,6), (2,7),(4,9), (0,5)
O c. (0, 2), (2, 3), (0, -2), (4,1)
O D. (1, 2), (1, -2), (3, 2), (3, 4)

Answer 1

B

Explanation:

A function cannot have more than one point on the same x coordinate. So, B is the only option that works.