Question

If y = 6x – 4, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
{(0, –4), (1, 2), (3, 14)}
{(5, 20), (2, 10), (–1, –3)}
{(–3, –15), (6, 25), (3, 5)}
{(4, 18), (0, 10), (0, –2)}

Answer 1

Plug in each set of points into the function and see if each side is equal to one another.