Question

Which set of ordered pairs does not represent a function?

{(-3,-3), (6,-1),(4,-4), (9, -3)}
O {(-5,8), (4,3), (-4,-4), (2,8)}
o {(6, -1),(-2, -1),(-8,-4), (5,9)}
o {(4, -2), (1,9), (-1,2), (1,4)}

Answer 1

the fourth

Explanation:

For it to be a function the x values may not repeat ever

Answer 2

The last one because 1 in the x column repeats.