The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995.220-210-200190-180-170-160-150-140-130-120-110100Year Retail Sales03691215Let y be the retail sales in billions of dollars in x years since 1995. A linear model for the data isY = 9.44x + 84.182.90-80¹85.851108.426141.781169.256202.297222.2666912Use 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 dataEstimate the retails sales in the U. S. in 2017.billions of dollars.Use the model to predict the year in which retails sales will be $235 billion.

Given model is Y=9.44 x+84.182 In 2017, x=2017 -1995 =22 The predicted value is Y=9.44 x+84.182…

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 3 6 9 12 15 Let y be the retail sales in billions of dollars in x years since 1995. A linear model for the data is Y = 9.44x + 84.182. 220 210- 200 190- 180- 170- 160- 150- 140- 130- 120- 110- 100- 90 80+ 85.851 108.426 141.781 169.256 202.297 222.266 3 6 9 12 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 2017. billions of dollars. Use the model to predict the year in which retails sales will be $235 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 3 6 9 12 15 Let y be the retail sales in billions of dollars in x years since 1995. A linear model for the data is Y = 9.44x + 84.182. 220 210- 200 190- 180- 170- 160- 150- 140- 130- 120- 110- 100- 90 80+ 85.851 108.426 141.781 169.256 202.297 222.266 3 6 9 12 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 2017. billions of dollars. Use the model to predict the year in which retails sales will be $235 billion.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 91E

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