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Describing Domain and Range

Describing Domain and Range 1.7 - Solution

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To express the set of given ordered pairs in a table of values, we'll list all of the -values in one column and all of the -values in another column.

To graph an ordered pair, start by identifying the - and -coordinates on the axes. Then, trace along the grid lines to the point on which both coordinates lie. We'll do this for every ordered pair in the relation.

To show a relation of ordered pairs as a mapping, list all of the unique -values in one vertical list and all unique -values in another vertical list. Then, use arrows to connect corresponding - and -values.

The domain of this relation is the set of all unique -values and the range is the set of all unique -values.