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5 votes
Which of the follow is NOT a function?

* I need work.

A. (1,2),(3,4),(5,6),(7,8)
B. (1,2),(1,3),(1,4),(1,5)
C. (1,1),(2,1),(3,1),(4,1)
D. (1,1),(2,2),(3,3),(4,4)

User Lee Oades
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1 Answer

6 votes
b: is not a function because the x has more than one output

graph it than draw vertical lines when you connect the points and if it doesnt pass through it twice it is a function
User Mujeeb
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