The table shows sets of ordered pairs that form a relation
does each set of ordered pairs represent a function?
asses
select function or not a function for each set of ordered pairs.
function
set of ordered pairs
{(2, -3), (3, -,4), (9, 2)}
{(8, -3), (3,8), (9,, 2)}
{(1, -,8), (9, -1), (3, 2)}
{(1, -,, -6), (-3, 2)}