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

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15