A company represents its sales, sincesales, since it's openingthe function V (6) =2000, using1a20€ +800€ + 30084² + 10€ +100,theyearwhere V is the total of sales, in millions of dollars,and t is the number of years since 2000a) How much were the sales in 2000?b) What does the function.amount.the function predict about theof sales many years from now? Explain.c) Algebraically determine the years when the salesare $9500000

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Answered: A its sales, since it's opening in…

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 television depreciates $140 per year, and it is worth $270 after four years. Find a function that describes the value of this television, if x is the age of the television in years. f(x) = (Simplify your answer. Do not include the $ symbol in your answer.) ...
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?
The percent p of prescription filled with generic drugs at a large pharmacy chain from 2008 to 2014 can be approximated by the model where t represents the year,t=8 corresponding to 2008. Use this model to find the percent of prescriptions filled with generic drugs from 2008 through 2014.
The temperature, (in degrees Fahrenheit), of a mixture and the corresponding concentration of a dissolved toxin (in mg per liter) is shown in the table below: Temperature, 50 77 | 71 | 72 | 81 94 96 67 99 (°F) Concentration 66 82 78 34 47 85 99 68 99 (mg/l) (a) Determine the function that estimates the concentration of dissolved toxin based on the temperature of a mixture. (b) Estimate the concentration of toxin in a mixture which has a temperature of 85 °F.
Determine whether the statement makes sense or does not make sense, and explain your reasoning : "My body temperature is a function of the time of day."
A car initially sold for $23,999. Its class life is 12 years, and the car depreciates by $750 each year. Express this as a linear function. Find the salvage value. Then, find the value after six years.
4. Max can earn $6/h as a waiter, plus an additional $9/h in tips. a) Graph Max's earnings from wages as a function of hours worked. Cb) Graph Max's earnings from tips as a function of hours worked. ) Develop an algebraic and a graphical model for Max's total earnings. d) How much can Max earn if he works 52 h in one week?
It's important to compare the total cost of cell phone plans including the cost of the phone. One company charges $64 for a phone and $45 per month for unlimited talk and text. Let C(t) represent the total cost of the phone and plan for t months. Give the formula for the function: Preview What is the total cost for the plan for 13 months. Give the function notation in the first box, the answer in the second box and choose the correct units in the third box. Select an answer
2) A rare stamp was worth $65 in 1995. It was predicted to grow in value at a rate of 8% per year. a) Write an equation to represent the value of the stamp, y dollars, as a function of the number of years, x, since 1995. b) What is the value of the stamp today? c) In which year the stamp will double the value?
Assume a cars depreciation value can be modeled by a linear function where y represents the cars value after t years. If the car was worth $1200 after 2 years and worth $300 after 5 years: a. How much did the car depreciate each year? b. How much was the car worth when it first debuted? c. Write an equation that models the cars value as a function of time d. When will the car have no value?
Fill in the blanks outside the table showing the changes in the x- and y-values. Then, answer the questions. 1) a. Is it a linear function? b. Why/Why not? -3 1. -2 -1 3 4 1 5 2) a. Is it a linear function? b. Why/Why not? -5 2 1. -2 4 -1 6 1. 2 8 1. 10 3) -10 a. Is it a linear function? 1. -5 b. Why/Why not? 4 2 5 1. 10 -3 4) y a. Is it a linear function? b. Why/Why not? -1 -9 ]. -4 1. 1 1. 3 7 11 1. 11 15

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