the answer is not 272.982 and also is not 263.542 The following table shows reta

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the answer is not 272.982 and also is not 263.542

The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995 YearRetail Sales 85.851 108.426 141.781 169.256 202.297 222.266 12 15 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 80 12 15 Use the above scatter plot to decide whether the linear model fits the data well The function is a good model for the data. O The function is not a good model for the data Estimate the retails sales in the U. S. in 2014. 272542bions of dollars Use the model to predict the year in which retails sales will be $248 billion. 2010

Explanation / Answer

We have to estimate the U.S. retails Sales in 2014. So we have to subtract the S(19) - S(18)

So the answer is 9.44

(9.44*19+84.182 ) -(9.44*18+84.182) =9.44 .

IMHO

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please let me know if it is right.

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