The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 85.851 3 108.426 6 141.781 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. Use the above scatter plot to decide whether the linear model fits the data well. __?__ The function is a good model for the data. __?__The function is not a good model for the data Estimate the retails sales in the U. S. in 2016_____billions of dollars. Use the model to predict the year in which retails sales will be $241 billion________.

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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
0 85.851
3 108.426
6 141.781
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.
Use the above scatter plot to decide whether the linear model fits the data well.

  • __?__ The function is a good model for the data.
  • __?__The function is not a good model for the data

Estimate the retails sales in the U. S. in 2016_____billions of dollars.
Use the model to predict the year in which retails sales will be $241 billion________. 

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