Which of the following lists of ordered pairs is a function?
A. (2,5), (3, -4), (4, 7), (2, 2)
B. (-2,3), (2, 4), (-3, 6), (3,7)
O C. (0,3), (-1, 4), (1, 6), (-1,7)
D. (1, 1), (2, 2), (3, 1), (3, 2)
x can't repeat meaning you can't have the same number reminder x is the first number in the ( ) for example (2,2) (2,3) this not a function because the 2's are being repeated
