Question

Which set of ordered pairs represents y as a function of x?

Answer 1

I would say the first row.
{(5,4), (2,3, ( 1,1), (2,4)}

because (1,1), the 'x' and 'y' are the same.

Answer 2

{(-1, 0), (4, 3), (-7, -3), (-1, -8)}
 this will be the answer