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Which relation is a function? A) [(-2,0),(-1,0),(-1,1),(0,2)] B) [(0,1),(1,3),(2,5),(3,7)] C) [(-1,4),(-1,6),(0,4),(1,8)] D) [(9,5),(9,-5),(11,7),(11,-7)]​
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14 votes
14 votes
Which relation is a function?

A) [(-2,0),(-1,0),(-1,1),(0,2)]
B) [(0,1),(1,3),(2,5),(3,7)]
C) [(-1,4),(-1,6),(0,4),(1,8)]
D) [(9,5),(9,-5),(11,7),(11,-7)]​

User Ptrk
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15 votes
15 votes
The answer is B because the x does not repeat.
User Atish
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