Question

Which of the following relationships represents a function?

A.
(-4,4), (6,2), (-2,1), (9,2)
B.
(-4,4), (6,6), (-4,3), (9,2)
C.
(-4,4), (6,6), (6,3), (8,2)
D.
(-4,0), (6,3), (-2,1), (6,5)

Answer 1

A. is the answer

Explanation:

A. Since there is one value of y for every value of x

B. is not a function x = − 4 produces y = 4 and y = 3

C. is not a function x = 6 produces y = 6 and y = 3

D. is not a function x = 6 produces y = 3 and y = 5

Hope That Helps!