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Which of these relations is a function?
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15 votes
Which of these relations is a function?

Which of these relations is a function?-example-1
User Ian Walter
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1 Answer

9 votes

Answer:

the second one

Explanation:

all the others ones don't pass the vertical line test, which means that the x is used twice. And for something to be a function it can't have the same x intercept.

User Dorjay
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