Question

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Which relation is not a function?

A)
Input: name of student; Output: GPA


B)
Input: price of an item; Output: UPC code


C)
Input: name of student; Output: birth month


D)
Input: next door neighbors; Output: zip code

Answer 1

Answer:

A) Input: name of student; Output: GPA

Step-by-step explanation:

This is not necessarily true. There are multiple people that will have the exact same Grade Point Average. It is a big school, and some people do as good as others.

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Answer 2

Answer:

The answer is B

Step-by-step explanation: