Answered

Which relation is a function?



A.

{(1, 2); (2, 3); (3, 4); (2, 5)}



B.

{(1, 2); (2, 3); (3, 4); (4, 5)}



C.

{(1, 2); (1, 3); (1, 4); (1, 5)}



D.

{(1, 2); (3, 2); (3, 3); (4, 2)}

Verified Answer :

JillyBeans

The function would definitely be B
no function can have two or more of the same x value

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