Question

Which of the following best describes the graph shown?
(will attach graph in a bit!)

A. This is not the graph of a function.


B. This is the graph of a one-to-one function.

C. This is the graph of a function, but it is not one-to-one.

D. This is the graph of a linear function.

**Please explain :) thanks!! :D

Answer 1

I know answer B is out right??? cuz it doesn't pass the horizontal line test so it's definitely not one to one function right?

Answer 2

but idk about the rest :/

Answer 3

was i right about answer B being out though?? cuz it's not one-to-one function? :D

Answer 4

do you know the definition of a function?

Answer 5

idk what the official definition is... can u pls tell me? :)

Answer 6

you input a variable, and you get one out

Answer 7

ohh okay i see :)

Answer 8

so it's definitely not one to one though right? :D

Answer 9

dont think so

Answer 10

okay, so how do i see what the answer is though?? is this a function?? (i mean the graph.. is the graph a function?)

Answer 11

oh and its not a linear function right?? cuz linear functions have to be a straight line?? and this is in a V shape??? :D

Answer 12

so answer D is out also?? so far B and D are out right??? so the only answer choices left are A and C??

Answer 13

wait so it's not a function because there is a sharp corner?? (is the sharp corner the bottom of the V shape?) ohhh i'm confused... so this graph is y=lxl ??? how come??

Answer 14

is it cuz the corner?? can functions not have sharp corners??

Answer 15

etc... ?

Answer 16

i thought you could consider the absolute value as a function

input x output y

Answer 17

i have non idea... i'm confused :(

Answer 18

so is it a function? or is not a function? and why?? iheartfood confused :(

Answer 19

Nevermind, I confused function with differentiability.

Answer 20

wait so it's a function then? cuz absolute value bars are functions also??

Answer 21

yes
f(x)=|x|

anything with an f(x) is a function

Answer 22

f( __) means its a function
so if you can write it in this form, it means its a function