Question

Determine whether the following is a function or not.
{(0, 1), (2, 1), (3, 2), (4, 2)}

Answer 1

yes!! :)

Answer 2

It's a function?

Answer 3

yes! :)

Answer 4

How do you know?

Answer 5

all the first numbers are different

Answer 6

lol

Answer 7

if they do not repeat, function. if they repeat, not a function. that is all

Answer 8

to be pedantic it is not a function until you write it as one
\[f:=\{(0, 1), (2, 1), (3, 2), (4, 2)\}\]there, now it is a function