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21 votes
Which relation is NOT a function?

A
{(a,x),(b,x),(d,z),(c,z)}

B
{(a,y),(b,y),(d,y),(c,y)}

C
{(a,x),(b,y),(a,w),(c,z)}

D
{(a,x),(b,y),(d,x),(c,z)}

User Schilcote
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5.7k points

1 Answer

10 votes
B pretty sure hope this helps
User Renan Gemignani
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5.4k points