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Concept explainers
Poverty Rates The data (top, right) represent the percentage of families with children in the United States whose income is below the poverty level.
With a graphing utility, draw a
Decide on a function of best fit to these data (linear. quadratic, or cubic), and use this function to predict the percentage of U.S. families with children that were below the poverty level in
Draw the function of best fit on the scatter plot drawn in part (a).
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Chapter 4 Solutions
EBK PRECALCULUS
- Does Table 2 represent a linear function? If so, finda linear equation that models the data.arrow_forwardSales Barnes & Noble had annual sales of $6.8 billion in 2013 and $6.1 billion in 2015. Use the Midpoint Formula to estimate the sales in 2014. Assume that the annual sales followed a linear pattern.arrow_forward
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