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Describing Domain and Range

Describing Domain and Range 1.9 - Solution

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Let's first determine the and coordinates of each point. To determine the coordinate for the first point, called below, we go straight down until we reach the axis and write down the value. Similarly, for the coordinate, we go horizontally to the left until we reach the axis and write down the value.

Pairing the and values of each point of the form we can determine the ordered pairs. So point for example has the coordinates

Point Ordered pair

The domain shows the relations values and the range is the relations values. Looking at the table, we can determine these as: