7. The table below shows the value of an investment during certain years. Which model would bestfit this data: quadratic, cubic, or quartic? Use the model to write a best-fit equation, thenestimate the value of the investment in 2022.Year Value ($)200220052008201120141,2001,8952,3992,7813,500

Answered: Image /qna-images/answer/a26e718b-4092-4899-97ac-2a58ba17b7aa.jpg

Answered: 7. The table below shows the value of…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Flying twice as farA flight from Los Angeles to ABQ is about 2 hours but is 670.2 miles.A flight from San Jose to Chicago is 4 hours but is 1859.0 miles.Can anyone explain why the travel time from San Jose to Chicago is notlonger and closer to 5.75 hours?If the distance increase by 2, shouldnt the time increase by a factorof 2 as well?1. Write a linear model for this question. Takeoff and landing will take a fixed amount of time. Actualtravel in the air will take time proportional to the distance traveled. Think about which of thevariables (time and distance) is the independent variable, and identify the slope and intercept withtheir units.2. Use the data in the quotation to estimate the two constants in your linear model.
Use the model found above to answer this question. What is the estimated revenue of Amazon in 2077? ____________ billion US dollars. Round to the nearest billion US dollars.
A certain company produces and sells frozen pizzas to public schools throughout the eastern United States. Using a very aggressive marketing strategy, they have been able to increase their annual revenue by approximately $10 million over the past increased competition has slowed their growth rate in the past few years. The annual revenue, in millions of dollars, for the previous 10 years is shown. Year Revenue 1 8.63 10.84 13.08 4 14.21 16.21 6. 17.31 7. 18.37 18.55 9 18.40 10 18.53 (a) Construct a time series plot. 20 20 20 20 18 18 18 16- 14- 16 16 14 14 12- 10- 10 10 8 8- 6 4 4- 4 2 2- 2- 1 4 5 7 10 11 2 4 6 7 8 10 11 1 2 3 4 7 8 9 10 11 1 3 4 6 7 8 9 10 11 Year Year Year Year (i Comment on the appropriateness of a linear trend. O The time series plot shows that neither a linear nor a curvilinear trend is appropriate. O The time series plot shows that a curvilinear trend may be more appropriate. O The time series plot shows that a linear trend is most appropriate. Revenue ($…
Make a scatter plot of the data and determine which type of model best fits the data. linear quadratic exponential cubic
I don't understand.
The table shows the national expenditures for health care in the United States for selected years, with projections to 2020. National Expenditures for Health Care (billions) $28 75 254 714 1017 1353 1981 2954 3308 4487 Year 1960 1970 1980 1990 1995 2000 2005 2010 2015 2020
Suppose that the number of tee shirts sold (N) depends linearly on the price charged (x). Write an equation showing this dependence.
The table shows the number of adult softball teams since 1990, where x represents the year since 2000 and y represents the number of teams (in thousands). Make a scatter plot of the data and determine which type of model best fits the data. Year, x 0 1 2 3 4 Number of teams (in thousands) 163 155 149 143 119 linear quadratic exponential cubic

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