SOLUTION: Which sets of ordered pairs (x, y) define y as a function of x? I = {(4, 7), (3, 7), (2, 5), (8, -8)} II = {(5, 1), (-3, 4), (-3, 2)}

Algebra ->  Coordinate-system -> SOLUTION: Which sets of ordered pairs (x, y) define y as a function of x? I = {(4, 7), (3, 7), (2, 5), (8, -8)} II = {(5, 1), (-3, 4), (-3, 2)}       Log On


   

Question 89187: Which sets of ordered pairs (x, y) define y as a function of x?
I = {(4, 7), (3, 7), (2, 5), (8, -8)}
II = {(5, 1), (-3, 4), (-3, 2)}

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
"I" does because for each value of x there is one value for y.
Cheers,
Stan H.