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The table below shows retail sales at drug stores in the United States in billions of dollars since 2000. Year Retail Sales 0 3 6 9 12 15 85.851 108.426 141.781 169.256 202.297 222.266 220 200- 180- 160- 140- 120 100 804 The graph shows a scatterplot of the data and the linear model y = 9.44x+84.182, where y is billions of dollars and is years since 2000. A) Is the line a good model for the data? The line is a good model for the data. The line is not a good model for the data 8 10 12 14 B) Use the graph of the model to estimate what retails sales were in 2011. billions of dollars C) Use the equation of the model to predict the year when retails sales will reach $249 billion.

The table below shows retail sales at drug stores in the United States in billions of dollars since 2000. Year Retail Sales 0 3 6 9 12 15 85.851 108.426 141.781 169.256 202.297 222.266 220 200- 180- 160- 140- 120 100 804 The graph shows a scatterplot of the data and the linear model y = 9.44x+84.182, where y is billions of dollars and is years since 2000. A) Is the line a good model for the data? The line is a good model for the data. The line is not a good model for the data 8 10 12 14 B) Use the graph of the model to estimate what retails sales were in 2011. billions of dollars C) Use the equation of the model to predict the year when retails sales will reach $249 billion.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The table below shows retail sales at drug stores in the United States in billions of dollars since 2000. Year Retail Sales 0 3 6 9 12 15 85.851 108.426 141.781 169.256 202.297 222.266 220 200- 180- 160- 140- 120 100 804 The graph shows a scatterplot of the data and the linear model y = 9.44x+84.182, where y is billions of dollars and is years since 2000. A) Is the line a good model for the data? The line is a good model for the data. The line is not a good model for the data 8 10 12 14 B) Use the graph of the model to estimate what retails sales were in 2011. billions of dollars C) Use the equation of the model to predict the year when retails sales will reach $249 billion.
Transcribed Image Text:The table below shows retail sales at drug stores in the United States in billions of dollars since 2000. Year Retail Sales 0 3 6 9 12 15 85.851 108.426 141.781 169.256 202.297 222.266 220 200- 180- 160- 140- 120 100 804 The graph shows a scatterplot of the data and the linear model y = 9.44x+84.182, where y is billions of dollars and is years since 2000. A) Is the line a good model for the data? The line is a good model for the data. The line is not a good model for the data 8 10 12 14 B) Use the graph of the model to estimate what retails sales were in 2011. billions of dollars C) Use the equation of the model to predict the year when retails sales will reach $249 billion.
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