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dedylja [7]
3 years ago
5

Which relation is a function ?

Mathematics
2 answers:
Mashcka [7]3 years ago
8 0

The second choice is not a relation.

The first and third choices have multiple (input, output) pairs that have the same input. Such a relation is not a function. Any time you see this, you know the relation is NOT a function.

The best answer is the 4th choice ...

... {(0, -9), (-9, 0), (-3, -3)}

NikAS [45]3 years ago
3 0
The second one would be your answer
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Answer:

Step-by-step explanation:

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After adding a low negative to a high positive number. Turns into 2y.

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