Question

In which set of points is y not a function of x?

{(-4,-4), (-3, -3), (-2,-2), (-1, -2)}
{(4,-4), (3, -3), (3, -2), (1, -1)}
O {(-4,4),(-3, 3), (-2, 2), (-1, 1)}
O {(4,4), (3, 3), (2, 2), (1, 1)}

Answer 1

the first one because when x=-1 y=-2 and that does not directly vary with x

Explanation: