Question

Which relation is a function?

A.
(0, –45), (–45, –13), (18, –45)

B.
(33, –11), (23, 18), (23, –9)

C.
(8, 48), (8, 55), (9, 60)

D.
(–13, 30), (30, 19), (–13, 39)

Answer 1

again?

Answer 2

A function can't have a repeating domain value but can have a repeating range value.

Domain= input/x value

Range= output/ y value

Answer 3

this time it is not C

Answer 4

look for the one with no repeat in the first coordinate, like the last one we did

Answer 5

I know...

Answer 6

Then why'd you post it O_O

Answer 7

I meant to say that I know that it's not C!

Answer 8

just testing us

Answer 9

what???

Answer 10

(33, –11), (23, 18), (23, –9)
NO repeated \(23\)

Answer 11

are you guys treating me like an idiot???

Answer 12

(–13, 30), (30, 19), (–13, 39)
NO repeated \(-13\)

Answer 13

not at all
trying to make it clear

Answer 14

(0, –45), (–45, –13), (18, –45)
no repeats in the first numbers
0,-45,18 are all different

Answer 15

therefore it is that one A

Answer 16

thanks!

Answer 17

yw

Answer 18

this math topic is confusing me

Answer 19

of course at the beginning it is always confusing
not like you are born knowing it
later it will seem really really easy, take my word for it

Answer 20

you got more, or are you good with this now?

Answer 21

@jinxhead20 try looking at this

Answer 22

looking more and more catlike
@marissalovescats

Answer 23

Thanks I try. I'm not displeased with my own face, I'm actually quite fond of it. However this just makes my relationship with cats feel stronger in my heart.

Answer 24

@satellite73 sorry my web crasheD! Yes I have some more questions....

Answer 25

you want to post one here? i will help if you like

Answer 26

sure hold on a sec....

Answer 27

it's gonna take a little while so you can go off this question and do other things in here...I'll tag you when I get everything done!

Answer 28

k

Answer 29

Which relation is a function?
(The answer choices are attachments)

Answer 30

k

Answer 31

A.

Answer 32

NO

Answer 33

and we know it is NO because there are two different dots with the same x coordinate of 1

Answer 34

what? Im still posting B C and D

Answer 35

i know i am doing them as we go

Answer 36

that one is NOT a function

Answer 37

OHH BTW B.

Answer 38

C.

Answer 39

NO for B
it does not pass the "vertical line test" a vertical line will cut the graph more than once

Answer 40

YES for C

Answer 41

D

Answer 42

sorry I didn't see your reply....

Answer 43

hell NO for D
it is vertical

Answer 44

C is your function, it passes the "vertical line test"

Answer 45

ok thanks....Those are all the questions btw...THANKS!!! I hate This function thing lololol

Answer 46

in fact it is the absolute value function

Answer 47

don't hate it too much, it is functions from here on in

Answer 48

yw