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)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+84.182F(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 or The function is not a good model for the data? Estimate the retails sales in the U. S. in 2014:_____________billions of dollars. Use the model to predict the year that corresponds to retails sales of $232 billion:_____________
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)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+84.182F(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 or The function is not a good model for the data? Estimate the retails sales in the U. S. in 2014:_____________billions of dollars. Use the model to predict the year that corresponds to retails sales of $232 billion:_____________
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)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+84.182F(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 or The function is not a good model for the data? Estimate the retails sales in the U. S. in 2014:_____________billions of dollars. Use the model to predict the year that corresponds to retails sales of $232 billion:_____________
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)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+84.182F(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 or The function is not a good model for the data?
Estimate the retails sales in the U. S. in 2014:_____________billions of dollars.
Use the model to predict the year that corresponds to retails sales of $232 billion:_____________
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
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