Which set of ordered pairs demonstrates a function?
A
(-2, -4), (-1, -2), (1, 2), (2, 4)
B
(-2, 4), (1, 2), (1, -2), (2, -4)
C
(-2, 4), (-1, 2), (-1, 2), (-2, -4)
D
(-2, 4), (-1, 2), (-1, -2), (-2, -4)
A
(-2, -4), (-1, -2), (1, 2), (2, 4)
B
(-2, 4), (1, 2), (1, -2), (2, -4)
C
(-2, 4), (-1, 2), (-1, 2), (-2, -4)
D
(-2, 4), (-1, 2), (-1, -2), (-2, -4)