KThe adjacent table gives thenumber of worldwide Internetusers, in millions.Complete parts (a) through (c).Year1995199619971998199920002001Users (millions)173474151245367539Year200220032004200520062007(a) Find the cubic function that is the best fit for the data, with y equal to the number of millions of users and x equal to the number of years from 1990.y=0(Use integers or decimals for any numbers in the expression. Round to three decimal places as needed.)Users (millions)597721819102511011229

Answered: Image /qna-images/answer/346b4098-6de3-4e63-aaec-327ab5f50743.jpg

Answered: The adjacent table gives the number 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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The cost of fuel is the largest component of cost of ownership for most vehicles. Fuel cost is (almost) inversely proportional to gas mileage; higher gas mileage means lower fuel cost and vice-versa. If you keep track of the number of miles driven on each tank of gas as well as how much gas is purchased, it is easy to calculate gas mileage; many cell phone apps exist to track this. The data in the following table is the gas mileage for Mr. Hebert's 2015 Jeep Wrangler Unlimited. 12.85 14.98 15.36 17.09 18.86 13.28 15.11 15.62 17.50 19.07 13.48 15.12 15.65 17.66 20.91 14.65 15.13 16.41 18.17 21.17 14.71 15.14 16.80 18.27 22.11 a. Find the average fuel economy. x =enter your response here (Round your answer to 3 decimal places.)
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