# Is the relation #{(0, 3), (0, -2), (0, 1)}# a function?

To be a function, a single value in the Domain can not map into multiple values in the Range.

This is not a function.

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No, the relation {(0, 3), (0, -2), (0, 1)} is not a function as it violates the definition of a function by having multiple y-values for the same x-value (0).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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