Question

Determine if the relation is a function.
{(0, 1), (2, 1), (3, 2), (4, 2)}

Function
Not a Function

Answer 1

yes it is, there is only one Y value for each X value

Answer 2

Remember that in a function, a given x value will have only one y value.
Does that seem to be true for the list above?
(I see that each x value is shown only once; there are no repeat x-values)
Whaddya think?

Answer 3

however, if it was something like (1, 0), (1,3) it wouldnt be a function since the X value 1 has more than 1 Y value, 0 and 3 which means it wont be a funtion

Answer 4

lol abc me and you keep answering the same people's questions =P

Answer 5

np

Answer 6

Oh thank you both for the great explanations. Especially you abc :D