Question

PLS HELP!!!
Which relation is a function?

{(0, –9), (–9, 0), (–3, –3)}

{0, –9, –2, –3}

{(0, –9), (–9, –2), (0, –3)}

{(0, –9), (–2, –3), (–2, 0), (–3, –2)}

Answer 1

Having trouble about deciding if it's A or B

Answer 2

idk tbh im sry im good with stuff like variables

Answer 3

np

Answer 4

@Vocaloid

Answer 5

So for a function

Every x has ONLY 1 y.

c is not a function because when x = 0: y = -9 or -3

understand?

Answer 6

I know it's not c or d

Answer 7

I just don't know about a or b

Answer 8

b is not even a set of coordinates. it's just numbers so it's not b.

Answer 9

so, it's A then

Answer 10

thanks