Software Publishing The table shows the estimate revenues (in billions of dollars) of software publishers in the United States from 2011 through 2013.(Source: U.S. Census Bureau)
Year | Revenues, y |
2011 | 156.8 |
2012 | 161.7 |
2013 | 177.2 |
(a) Create a system of linear equations for the data to fit the curve
Where t = 1 corresponds to 2011, and y is the revenue.
(b) Use Cramer’s Rule to solve the system.
(c) Use a graphing utility to plot the data and graph the polynomial function in the same viewing window.
(d) Briefly describe how well the polynomial function fits the data.
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- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage