Which relation is NOT a function?
a.
{(0, 9), (2, 3), (3, 2), (4, 1)}
c.
{(0, 3), (2, 3), (3, 3), (4, 3)}
b.
{(3, 2), (4, 1), (0, 9), (3, 3)}
d.
{(0, 3), (3, 2), (2, 4), (4, 6)

Question

Which relation is NOT a function?
a.
{(0, 9), (2, 3), (3, 2), (4, 1)}
c.
{(0, 3), (2, 3), (3, 3), (4, 3)}
b.
{(3, 2), (4, 1), (0, 9), (3, 3)}
d.
{(0, 3), (3, 2), (2, 4), (4, 6)

anonymous · Answer

In mathematics, a function is a relation between a set of inputs and a set of potential outputs with the property that each input is related to exactly one output.

anonymous · Answer

Do you see a set where a particular input (x), gives two different outputs (y)?

anonymous · Answer

so its c

anonymous · Answer

well, you listed it as b. but yes, that is correct

anonymous · Answer

. also check out Mathway.com  and its the 3rd one down.

anonymous · Answer

my bad thank