Does this relation define a function?
{(-8,2), (-8,8), (-1,8), (5,6), (8,7)}
my answer is:
No. (-8,2) and (-8,*) the first coordinates are copies of one another.
{(-8,2), (-8,8), (-1,8), (5,6), (8,7)}
my answer is:
No. (-8,2) and (-8,*) the first coordinates are copies of one another.