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Which of the following relations is a function?

Which of the following relations is a function?-example-1
User Jesse Good
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1 Answer

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16 votes

Answer:

C

Explanation:

In a function, you cannot have the same value twice for the x-coordinate. In other words, all x-coordinates must be different.

A: -5 appears twice for x

B: -7 appears twice for x

C: All x values are different

D: 2 appears twice for x.

Answer: C

User VxJasonxV
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