Question

Identify the set of ordered pairs that represents y as a function of x.

A. {(0, -2), (0, -1), (0,1), (0, 2)
B. {(1, 0), (1, 1), (2, 1), (2, 2)}
C. {(0, 0), (1, 1), (1, 1), (3, 3)}
D. {(-2, 0), (-1, 0), (1, 0), (2, 0)}