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.
Is the following relation a function?
{(1, -2), (1, -3), (2, 1), (3, -2)}
Yes or no
pls help me
4 answers
I think its no
thx so much steve!!
np