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Identify the domain and range and tell whether the relation is a function

Identify the domain and range and tell whether the relation is a function-example-1
User ShawnMilo
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For a function, every element in the domain must have a unique image in the range.

On checking the domain and range provided in the question, we can see that there are two images for the range when the domain equals -2:


(-2,3)\text{ and (}-2,7)

Therefore, the given domain and range violate the property of a function.

The relation is NOT a function.

User Sergey Onishchenko
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