Guided Practice Determine whether the relation is a function. Explain why or why not.

{(2, 5), (3, –5), (4, 5), (5, –5)}

A.
Yes; no value in the domain corresponds to more than one value of the range.

B.
No; the domain value 5 corresponds to two range values, 2 and 3.

C.
Yes; multiple domain values correspond to the same range value.