Question 10The following table of values gives a company's annual profits in millions of dollars. Rescale the data so that the year 2001 corresponds to x = 1.e) $31.5 million.YearUse the power function to predict the company's profits in 2010.a) $30.3 millionb) $29.9 millionc) $29.6 milliond) $29.2 millionf) None of the aboveProfits (in millions of dollars)200123,820022003 20042005200625.2 26.3 28.9 27.6 28.4Review Later

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Answered: The following table of values gives a…

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 number (in thousands) of women in the work force as function of the year is shown in the figure below. Calculate and interpret the following in your case study report. Evaluate f(1983) and f(2011) using the graph. Solve f(year) = 50,000,000 using the graph. Solve f(year) = 43,000,000 using the graph. Estimate f(2014) - f(1994) using the graph. What are the natural domain and range of this function?
Each month, a salesman earns a base salary of $621.00 plus 5% commission on sales. Use C for total monthlycompensation and S for total monthly sales, both in dollars.A: Find a formula that gives total compensation as a linear function of total monthly sales.B: What monthly sales lead to a total monthly compensation of $3850?C: How is total monthly compensation affected if sales are increased by $5156.00?
The following table shows the average yearly tuition and required fees, in dollars, charged by four-year American private universities in the school year beginning in the given year. Date Average tuition 2012 $27,870 2013 $29,004 2014 $30,138 2015 $31,272 2016 $32,406 (a) Show that these data can be modeled by a linear function. For each change of 1 year in time there is an increase of $ in tuition. Find its formula. (Let d be the date in terms of number of years since 2012 and T tuition in dollars.) T(d) = 27,870+1134d (b) Plot the data points and add the graph of the linear formula you found in part (a). (c) What prediction does this formula give for average tuition and fees at four-year American private universities for the academic year ending in 2018?$
Find a 96% confidence interval for Hg. Let µa = H1 - H2, where u, is the mean solar energy generated for the east-west highways and µ, is the mean solar energy generated for the north-south highways. (Round to one decimal place as needed.)
An economist is studying the median yearly income of workers by their ages. Age (yr) 18 28 38 48 58 68 Median Income ($) 17,480 30,650 37,440 41,230 37,570 21,390 a. What function best models the data (linear, quadratic, exponential)? b. Write a function that models the data. c. Use your model to predit the median income for a worker who is 43 years old. Round to the nearest dollar.
Classify the variable below as qualitative, discrete, or continuous. Number of online purchases made in a month
On the following graph, use the green point (triangle symbol) to plot the weekly total revenue when the market price is $50, $75, $100, $125, $150, $175, and $200 per scooter. TOTAL REVENUE (Dollars) 2610 2430 2250 2070 1800 1710 1530 1350 1170 990 0 25 50 75 100 125 150 175 200 225 250 275 300 325 PRICE (Dollars per scooter) Total Revenue ? According to the midpoint method, the price elasticity of demand between points A and B is approximately 0.69 Suppose the price of scooters is currently $125 per scooter, shown as point A on the initial graph. Because the demand between points A and B is Inelastica $25-per-scooter decrease in price will lead to a decrease in total revenue per week. In general, in order for a price decrease to cause a decrease in total revenue, demand must be Inelastic
A study was done to look at the relationship between number of movies people watch at the theater each year and the number of books that they read each year. The results of the survey are shown below. Movies 10 7 6 10 0 9 1 6 Books 0 0 -0 0 9 0 9 -0 Use the model to predict the number of books read per year for someone who watches 3 movies per year.Books per year = (Please round your answer to the nearest whole number.) Interpret the slope of the regression line in the context of the question: The slope has no practical meaning since people cannot read a negative number of books. As x goes up, y goes down. For every additional movie that people watch each year, there tends to be an average decrease of 0.98 books read. Interpret the y-intercept in the context of the question: The y-intercept has no practical meaning for this study. If someone watches 0 movies per year, then that person will read 8 books this year. The best prediction for a person who doesn't watch…
The number of married people in a country (in millions) and the total number of adults in the country (in millions) are provided in the accompanying table for several years. Find the percentage of people married in each of the given years, and describe the trend over time. The percentage of the adult population that was married in 1990 was (Round to one decimal place as needed.) %. Year 1990 1997 2000 2007 Married 112.3 120.9 119.6 131.5 Total 187.8 207.3 215.5 238.3
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The accompanying table displays information about the number of births (in thousands) and the number of deaths (in thousands) for certain years. Report the death rate as a percentage of the birth rate, and comment on its trend over time. What is causing the trend? LOADING... Click the icon to view the data table. Report each death rate as a percentage of the birth rate. Year Births (thousands) Deaths (thousands) Percentage of deaths per births 2006 4275 2445 nothing% 2007 4320 2408 nothing% 2008 4241 2465 nothing% 2009 4140 2436 nothing% 2010 4002 2455 nothing% (Round to one decimal place as needed.)

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