Question

Which set of ordered pairs represents a function?

Answer 1

Answer:

{(-6, -9), (-6,4),(-1,9), (5, -1)}

Explanation:

because the x value is not repeated twice as it is in {(-8, -2), (7, -2),(-9,2), (0,0)    {(5,8), (9,7),(-3,-8),(5,-5)}    {(7,-8), (7, - 7), (8,4),(1, -3)}​

Answer 2

Answer:

The second one is a function. {(-8, -2), (7, -2),(-9,2), (0,0)

Explanation:

Its because the y-value is repeated twice.

Hope it helps.