Concept explainers
Median Income by Age. The polynomial function
can be used to approximate the median income I by age x of a person living in the United States. The graph is shown below.
Evaluate I(22) to estimate the median income of a 22-year-old.
Use only the graph to estimate I(40).
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Intermediate Algebra (12th Edition)
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage