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Step-by-step Answer
PAGE: 64SET: ExercisesPROBLEM: 1
Please look in your text book for this problem Statement

Observe the mapping figure:

The set of ordered pairs are.

Domain:

The domain of the relation is the set of all first (-coordinates) coordinates.

The domain of the relation is .

Range:

The range of the relation is the set of second (-coordinates) coordinates..

The range of the relation is .

Function:

Yes;

Because each element of the domain is paired with one element of the range.

One -to-one function:

Yes;

Each element of the domain is paired with exactly one element of the range.

Onto:

Yes;

Because each element of the range corresponds to an element of the domain.

Therefore the relation is a function.

Yes; the relation is a function.



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