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Determine if each relation is a function. For each function, state the domain and range.
Question 1
Father...............Daughter
Bob------------------>Beth & Diane
John---------------->Linda
Chuck-------------->Marcia
As the table shows, Bob is matched with two different daughters.
I say this is not a function.
Do you agree?
Question 2
Level of Education...............Average Income
Less than 9th grade------------>$18k
9th to 12th grade---------------->$23k
H. S. Graduate-------------------->$36k
Some College--------------------->$45k
College Graduate--------------->$67k
I say this table shows a function.
Domain = Level of Education List
Range = Average Income List
Do you agree?
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1. agree
2. agree
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1. agree
2. agree
Setting up a table helps to understand the idea of what a function is.
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