Is the following relation a function?

{(1, -2), (1, -3), (2, 1), (3, -2)}

Yes or no

pls help me

4 answers

a function is a set of ordered pairs where no two 2nd elements are related to the same 1st element.

So, it is not a function if more than one pair have the same 1st element.

Look at the numbers and you can get the answer.
I think its no
thx so much steve!!
np