Question

#3 - 8.5G

Which set of ordered pairs does not show y as a function of x?
A. {(1, -2): (3,-3); (5,-4); (3,-5)}
B. {(2,-2): (4, -2): (6,-2): (8,-2)}
C. {(4,-2): (3,-3): (2, -4): (1,-5)}
D. {(2,-2); (3,-3); (4, -7); (5, -8)}

Answer 1

A

Explanation:

in order for it to be a function the x needs to have only one y, in this case the x is repeated for two different y's