Question

? O.o

Answer 1

its hard :( i cant figure it out..

Answer 2

What is it about the vertical line test that you don't understand?

Answer 3

I just feel like i didnt learn this material i never even hear of this before :(

Answer 4

Do you know what a function is?

Answer 5

yes its a realationship between values?

Answer 6

f(x)

Answer 7

A function is a set of ordered pairs in which no two ordered pairs have the same first number.

Answer 8

{(1,2) (3,-8) (5,15)}
is an example

Answer 9

None of the ordered pairs have the same first number so it is a function.

Answer 10

ooo ok. makes sense

Answer 11

but i dont get graphs at all im really good at algebra but functions are really hard for me :'(

Answer 12

Now if something is not a function, then there are two ordered pairs that DO have the same first number. Like (3,6) and (3,-4). And if you graphed those two ordered pairs, what would you notice?

Answer 13

there liner?