
In each of Exercises 21−30
, draw a linear graph to represent the given information. Be sure to label and number the axes appropriately. (See Example 3.)
21.Salaries in Public Schools. In 2011, the average hourly wage in the United States for an instructional teacher aide was $13.55, and the wage was increasing at a rate of $0.23 per year.
Data: U.S. Census Bureau, Statistical Abstract of the United States, 2012

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Chapter 3 Solutions
Pearson eText for Elementary Algebra: Concepts and Applications -- Instant Access (Pearson+)
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