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Which relation is not a function?
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Which relation is not a function?

Which relation is not a function?-example-1
User Giovani
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1 Answer

3 votes

Answer:

D.

Explanation:

For a relation to be a function, one input cannot have multiple outputs.

In D, we can see that the input x = 1 will yield y = 4 and y = 1. So which one is it?

We cannot determine that, so this relation is not a function.

User Dolan
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