The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 85.851 3 108.426 141.781 169.256 12 202.297 15 222.266 Let S(t) be the retails sales in billions of dollars in t years since 1995. A linear model for the data is F(t) = 9.44t + 84.182. 220 210- 200 190 180 170 160 150- 140 130 120 110 100 90 804 12 Use the above scatter plot to decide whether the linear model fits the data well. O The function is not a good model for the data O The function is a good model for the data. Estimate the retails sales in the U. S. in 2012. billions of dollars. Use the model to predict the year in which retails sales will be $238 billion. Question Help: Message instructor

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since
1995.
Year
Retail Sales
85.851
3.
108.426
141.781
9.
169.256
12
202.297
15
222.266
Let S(t) be the retails sales in billions of dollars in t years since 1995. A linear model for the data is
F(t) = 9.44t + 84.182.
220
210
200
190-
180
170-
160-
150
140-
130
120-
110-
100
90
12
80
Use the above scatter plot to decide whether the linear model fits the data well.
O The function is not a good model for the data
O The function is a good model for the data.
Estimate the retails sales in the U, S. in 2012.
billions of dollars.
Use the model to predict the year in which retails sales will be $238 billion.
Question Help: Message instructor
Submit Question
DEC
3
tv
30
Transcribed Image Text:The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 85.851 3. 108.426 141.781 9. 169.256 12 202.297 15 222.266 Let S(t) be the retails sales in billions of dollars in t years since 1995. A linear model for the data is F(t) = 9.44t + 84.182. 220 210 200 190- 180 170- 160- 150 140- 130 120- 110- 100 90 12 80 Use the above scatter plot to decide whether the linear model fits the data well. O The function is not a good model for the data O The function is a good model for the data. Estimate the retails sales in the U, S. in 2012. billions of dollars. Use the model to predict the year in which retails sales will be $238 billion. Question Help: Message instructor Submit Question DEC 3 tv 30
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