Question

Which set of ordered pairs represents a

function?
A. {(-1, 1), (0,0),(1, 1), (2, 2)}
B. {(3,-3), (2,-2),(1,-1),(1, 1)}
C. ((4,2), (4,-2),(9,3), (9,-3))
D. {(-2,-1), (-2,0),(-2,1),(-2,2)}

Answer 1

The answer Is A, hope this helps

Answer 2

A

Explanation:

The x-value for a function cannot be repeated, i.e. each x-value (domain) must correspond to only one y-value (range).