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)

Answer 1

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.

Answer 2

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

Answer 3

so its c

Answer 4

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

Answer 5

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

Answer 6

my bad thank