Question

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

Question 5 options:

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


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


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


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

Answer 1

The last one {(1, 2), (1, 3), (1, 1)}

Explanation:

This is because the domain x is repeated. For a set of ordered pairs to be a function the domain can not repeat.

Answer 2

the 3rd choice

Explanation: