If y − 4 = 2x, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

{(2, 1), (4, 2), (6, 3)}
{(1, 2), (2, 4), (3, 6)}
{(4, 0), (6, 1), (8, 2)}
{(0, 4), (1, 6), (2, 8)}

Question

If y − 4 = 2x, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

 {(2, 1), (4, 2), (6, 3)}
 {(1, 2), (2, 4), (3, 6)}
 {(4, 0), (6, 1), (8, 2)}
 {(0, 4), (1, 6), (2, 8)}

anonymous · Answer

plug the answers in and see which ne you get I just got fussed at for giving direct answers hint hint A

anonymous · Answer

@suppa_lova i got fussed at too last night

anonymous · Answer

... but the answer is in the last post as a hint

texaschic101 · Answer

it is not A

take a look at D...

y - 4 = 2x.....using (0,4)...x = 0 and y = 4
4 - 4 = 2(0)
0 = 0 (correct)

y - 4 = 2x...using (1,6)...x = 1 and y = 6
6 - 4 = 2(1)
2 = 2 (correct)

y - 4 = 2x...using (2,8)...x = 2 and y = 8
8 - 4 = 2(2)
4 = 4 (correct)