hand written plzzThe table shows the number of cars manufactured in thousands by a company for selected years. Use acalculator to write a quartic model for the number of cars manufactured in a given year since 2000. Thenuse the model to estimate the number of cars manufactured in 2011.2005 20072008 2010 2012YearCars manufactured138.5 183.1 194.8204.3 242.8(thousands)f(x) = 0.808x³+21.028x²-187.403x + 373.988The estimated number of cars manufactured in 2011 is about 218.f(x) = 0.135x4-3.807x³ + 36.285x2-118.073x + 213.2The estimated number of cars manufactured in 2011 is about 215.f(x) = 0.135x4 +3.807x³-36.285x2 + 118.073x - 213.2The estimated number of cars manufactured in 2011 is about 215.f(x)=0.808x³ - 21.028x² + 187.403x373.988The estimated number of cars manufactured in 2011 is about 218.

Answered: hand written plzz The table shows the…

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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A new coronavirus recently triggered a global pandemic. It spreads from 5 cases in March to tens of thousands by May in the Philippines. Case contamination is comparable to what we call exponential spread. Create a table of values representing the covid19 confirmed cases in the Philippines during the first 15 days of March 2020. You can conduct your research online and then plot the results on a Cartesian plane. You can use paper and pencil or any graphing app that is appropriate. Questions to ponder: In order to slow down the growth, what can you do to the curve? In real-life, what must be done to flatten the curve? _________________
arget's annual revenue data from 2005 to 2021 are available for download. Make an Excel graph of the annual data, and fit three trends (linear, quadratic, and exponential) to the time series. Copy and paste the graph in the space below or attach the file. State the three trendline equations from part a and their R2 values. Which trend model do you think is the best one to use to forecast annual revenue? Choose only one model and explain the reasons for your choice. Use the model you chose in part c to forecast the annual revenue for 2022. Annual Operating Income Year t (Millions of US $) 2005 1 46839 2006 2 52620 2007 3 59490 2008 4 63367 2009 5 64948 2010 6 65357 2011 7 67390 2012 8 69865 2013 9 73301 2014 10 71279 2015 11 72618 2016 12 73785 2017 13 70271 2018 14 72714 2019 15 75356 2020 16 78112 2021 17 93561
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Newton's law of cooling states that the temperature of an object changes at a rate proportional to the difference between its temperature and that of its surroundings. Suppose that the temperature of a cup of coffee obeys Newton's law of cooling. If the coffee has a temperature of 172 °F when freshly poured, and 1 min later has cooled to 162 °F in a room at 70 °F, determine when the coffee reaches a temperature of 129 °F. Note: Enter the exact symbolic expression for the asked time. The coffee reaches the temperature 129 in minutes.
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Prices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not smooth. For example, the difference between the size of a 0.99-carat diamond and a 1-carat diamond is undetectable to the naked human eye, but the price of a 1-carat diamond tends to be much higher than the price of a 0.99 diamond. In this question, we use two random samples of diamonds, 0.99 carats and 1 carat, each sample of size 23, and compare the average prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99-carat diamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. The distributions and some sample statistics are shown below I have attached the questions and the chart in the images section. Thank you

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