Question

Which set of ordered pairs does NOT represent y as a function of x?

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

Answer 1

A) {(1, 2), (1, 3), (1, 1)}

Explanation:

The x variable repeats in (1,2), (1,3), (1,1) not making it a function.