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Help Which relation is a function?
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Which relation is a function?

Help Which relation is a function?-example-1
User Wondra
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1 Answer

4 votes

Answer:

Top Left

Explanation:

For a relation to be a function, every x must have one and only one y

This is only true for the top left, the rest fail this because

Top Right has 2 y values at x = -1

Bottom left has 2 y values at x = 0

Bottom Right has 2 y values at x = -2 AND at x = 2

User Remear
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