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Which of these are functions and which are not? A (-1,0),(3,0),(5,2) B (3,2),(5,-4),(5,1) C (0,3),(2,5),(2,6),(3,7) D (-1,3),(0,5),(1,5),(5,7)
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Which of these are functions and which are not?

A (-1,0),(3,0),(5,2)
B (3,2),(5,-4),(5,1)
C (0,3),(2,5),(2,6),(3,7)
D (-1,3),(0,5),(1,5),(5,7)

User David Myers
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1 Answer

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A&C are both functions. B&D are not. A&C do not have any numbers that are repetitive.
User Sigabrt
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