Question

Which of the following correctly identifies the set of outputs?
{–3, –1, 3, 4}
{–5, –2, –1, 4}
{(–5, 4), (–2, –1), (–1, 3), (4, –3)}
{(4, –5), (–1, –2), (3, –1), (4, –3)}

Answer 1

Any ideas?

Answer 2

http://marion.flvs.net/webdav/assessment_images/educator_mjprealgebra_v16/04_01_07.gif