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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

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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hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve