Question

Help Please! ღ Thankz!

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

@TheSmartOne

Answer 2

I could have said that somebody asked a question like this yesterday! mhmmm

Answer 3

Let me find the explanation which I gve on the post :)

Answer 4

kk

Answer 5

ah, it was a similar question, but here we go:

nope, a function is where there is exactly one x-value for one y-value

also, there can be 2 x-values with the 1 y-value

BUT there cannot be 1 x-values with 2 y-values

Answer 6

So how does that determine the answer?
I kinda think its C... I dont know why but it looks right I guess! lol

Answer 7

do you know the vertical line test? :)

Answer 8

uh, nurp!

Answer 9

ok so the vertical line test is basically

you graph the line or the points

and if you find two points in a vertical line that means it isn't a function

so basically:


and: