Question

Determine which relation is a function.

A.
{(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}

B.
{(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}

C.
{(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}

D.
{(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}

Answer 1

Do you know how to determine if something is a function?

Answer 2

@Dalycia

Answer 3

No Not Really This Is something new to me

Answer 4

Draw graphs for each answer, marking the points on them, then draw a line connecting the points. That should help.

Answer 5

I got C

Answer 6

Nope, try again.

Answer 7

C looks like this: https://i.imgur.com/TVkqX4t.png

Note the points M and N are above eachother, this means that we have multiple inputs that give the same output, in this case f(2)=f(5) so this isn't a function.

Answer 8

A ?

Answer 9

Yep, well done!

Answer 10

ThanK You