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Which of the following relations is NOT a function? A. [(3,1),(2, -1).(1,1)] B. ((3,1).(-1,2),(1,1)) C. {(1,3).(2.-1).(1,1)) D. ((-1,3).(-2,-1).(1.-1)]​
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18 votes
Which of the following relations is NOT a function?

A. [(3,1),(2, -1).(1,1)]
B. ((3,1).(-1,2),(1,1))
C. {(1,3).(2.-1).(1,1))
D. ((-1,3).(-2,-1).(1.-1)]​

User Lomse
by
4.4k points

2 Answers

10 votes

Answer:

C.

Explanation:

User Miriam Suzanne
by
5.0k points
10 votes
It’s C because a function cannot have multiple Y values for a single X value.
User Santuxus
by
5.1k points
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