I only need 1 or (a) Sales The table shows the sales (in billions ofdollars) for Wal-Mart stores from 2006 through2013. (Source: Wal-Mart Stores, Inc.)Year 2006 2007 2008 2009Sales 348.7 378.8 405.6 408.2Year 2010 2011 2012 2013Sales 421.8 447.0 469.2 476.2(a) Setup a system of equations representing the data for the years 2006 - 2010, setup a system of equations to fit the data based on a quartic (4th degree)model. What are the equations?(b) Solve the system using Mathematica. What are the coefficients aî, A1, A2, A3, A4 of the quartic equation?(c) Produce a scatter plot in Desmos, and graph the function in the same window. Provide the graph below.(d) Does the solution produce a reasonable model for predicting sales after 2010?

Answer :Sales of wal-mart is given for a period of 2006 through 2013Now, let us assumes that…

. Sales The table shows the sales (in billions of dollars) for Wal-Mart stores from 2006 through 2013. (Source: Wal-Mart Stores, Inc.) Year 2006 2007 2008 2009 Sales 348.7 378.8 405.6 408.2 Year 2010 2011 2012 2013 Sales 421.8 447.0 469.2 476.2

. Sales The table shows the sales (in billions of dollars) for Wal-Mart stores from 2006 through 2013. (Source: Wal-Mart Stores, Inc.) Year 2006 2007 2008 2009 Sales 348.7 378.8 405.6 408.2 Year 2010 2011 2012 2013 Sales 421.8 447.0 469.2 476.2

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter1: Functions

Section1.1: Lines And Linear Functions

Problem 72E: LIFE SCIENCE APPLICATIONS HIV Infection The time interval between a persons initial infection with...

See similar textbooks

Related questions

Q: 5. What is the z-transform of the signal x(n) = (0.5)nu(n)? A. B. C. D. 1 1-0.52- 1 1-0.5z T;…

Q: 4. Differentiate the following. Simplify your answers. a) f(x) = (5+7x)²(3x − 1)6 b) f(x) = 6x-1…

Q: Find the solution of the given initial value problem. y' - y=7te²¹, y(0) = 1 y(t) =

A: The given initial value problem .The aim is to find the general solution to the initial value…

Q: - 7. Use the extended Euclidean algorithm to find the inverse of P (x² + x³ + 1) in GF (25) using…

Q: Find the solution of the given initial value problem. ty' + 4y = t²t+7, y(1) = 7, t > 0 y =

A: Here we have to solve the given differential equation.The given differential equation is

Q: Investigate the mathematical properties of bounded summation when applied to infinite series or…

A: Bounded summation refers to the process of adding up the terms of a series or integrals within…

Q: atch each equation with a graph above | 2(1.54)* | 2(1.11)* | 4(1.11)* - 2(0.71)Ⓡ 2(0.9)* - a. red…

Q: Let N(A) A = span = [⁰ Гоо о ⁰1. 0 Find a spanning set for the null space of A. 2 6 -2 2

Q: Find the trigonometric Fourier series for the function f(x): [-T/2, T/2] - R given by the…

Q: C. For each set of graphed vertices, determine the location of vertex D such that the described…

Q: Perform each of the following calculations Problem 4: (a) + using 3-digit chopping arithmetic. (b)…

A: Any positive real number r within numerical range of the machine can be normalized to achieve the…

Q: Given cost and revenue functions and C(q) 115q +31000 and R(q)-3q²+2700g, how many items must the…

A: Given cost function and revenue function . We have to find the number of item sold when the profit…

Q: Find the flux of the constant vector field =-7-j+ k through a square plate of area 25 in the…

A: A constant vector field and a square plate of area 25 in the xy plane oriented in the positive z…

Q: |a|-|b| sin (ß- a) = = = b = (b1,b2) В P 8 a = (al,a2) |ab|(cos a sin 3 - sin a cos 3) al cos a b…

Q: A large St. Louis feed mill, Robert Orwig Processing, prepares its 6-month aggregate plan by…

Q: SF.dr Use Stoke's Theorem to evaluate if F-(x²e¹-y.√² +1,2²), where c is the boundary of the portion…

Q: Five runners, Andy, Beth, Dale, Ella, and Tri are in a one-mile race. Tri finished 6 seconds after…

A: Five runners, Andy, Beth, Dale, Ella, and Tri are in a one-mile race.Tri finished seconds after…

Q: Find the trigonometric Fourier series for the function f(x): [-T/2, π/2] → R given by the…

Q: -6 Verify that dz= xdx You ydy for x² > y² is an exact differential and evaluate z-f(x, y) from A…

Q: (3) Qis the point (x, (1) 2 () 1.5 () 1.4 (N) 1.3 € 2 (v) 1.2 (vi) 1.1 (vi) 0.5 (vi) 0.6 (xx) 0.7…

Q: product 16: n! = 1.2.3.... · (n − 1) · n. = 120. example, 5! = 1.2.3.4.5 e induction to show that…

Q: Consider the DE 2xy + (x² - y) dy = 0 dx Classify the DE by type (ODE/PDE and Linear/Non-Linear) and…

A: In this question we will verify the differential equations.

Q: Use predicates, quantifiers, logical connectives, and mathematical operators to express the…

A: First of all note that an integer is said to be positive if .Also, let be any integers.Then the…

Q: Below is an incomplete proof Prove that 3n2 > 2(n+1)2 for n ≥ 5 3n2 > 2(n+1)2 Is equivalent to 3n2 >…

A: The question already shows how the proof for 3n2 > 2(n+1)2 for n≥5 is equivalent to showing n2…

Q: ************** *********************** Find each x-value at which f is discontinuous and for each…

Q: Determine if the differential equation is Separable, Linear or Exact or neither.(Show your work as…

Q: Consider the function f whose domain is included in [3,24] for which we have the sketch of y = f(x)…

A: A graph of the function is given.The aim is to find the following limits,(iv) (v) (vi) (vii) (viii)…

Q: Find a 2×2 matrix A with the following properties: Each eigenvalue is a complex number with modulus…

A: We have to find a matrix in which each eigen value is complex number with modulus equal to and…

Q: Data for the synthesis of furfural from biomass made of pineapple peels, bagasse and pili shells: t₁…

A: Given that:the synthesis of furfural from biomass made of pineapple peels, bagasse and pili…

Q: 18.28 The following data defines the sea-level concentration of dissolved oxygen for fresh water as…

A: (a) Find the Newton's forward difference table from the table of values.

Q: ... For each f(n) below find the simplest function g(n) such that f(n) - 0(g(n)). (a) f(n) = ₁2i (b)…

A: We have to find out the simplest function g(n)

Q: Convert the integral [xdzdydx from rectangular coordinates to cylindrical + coordinates and evaluate…

A: The given integral is:To convert the given integral from rectangular coordinates to cylindrical…

Q: Task 2 Show that the state of motion of Tom Cruise at t = to + At (i.e. a short time after some…

Q: You are given: I. is the force of mortality for a life age & under the Standard Ultimate Life Table.…

A: In the context of life contingencies, the quantity lx represents the number of survivors at age x…

Q: (a) Let n ≥ 2 and let ₁, 2,...,n+1 ER with x x1 for all "n + 1. 1 ≤i, j≤n we have (A) ij = 2 Ti+1…

A: Given Information:To prove:a) b) c) d) Note:Determinant doesn't change its numerical value when…

Q: Sketch the plane curve over the given interval r(t)=4t i +3t j with 0≤t≤2.

Q: Let fn be a sequence of non-negative integrable Lebesgue functions on the interval (0,10) such that…

Q: Please use the secant method when solving for the instantaneous rate of change. Please complete all…

A: 4. Given that a soccer ball is kicked into the air such that its height, h in meters, after time…

Q: 1. Solve for P given P' = 6t√P √² +3 with P(1) = 25.

Q: Find the general solution for each of the following differential equations. Use hand calculations to…

Q: 4+3x² " 3y² 12y determine the interval in which the solution is valid. Hint: To find the interval of…

Q: Discuss the convergence properties of the Bellman operator when solving an infinite-horizon MDP.

A: To discuss the convergence properties of the Bellman operator when solving an infinite-horizon…

Q: Describe all solutions to Ax = 0 in parametric vector form for 1 -3 2 0 5 A - 00 00 1 2 0 -1 000 1 0…

Q: The curve where C is the section of the circle x² + y² = 1 from (1,0) to (0,1) in the counter clock…

Q: A graphing calculator is recommended. The displacement (in centimeters) of a particles moving back…

Q: Angela took a general aptitude test and scored in the 83rd percentile for aptitude in accounting.…

A: Percentile means percentage of distribution below or equal to that score.Angela scored in the 83rd…

Q: Jonathan has 3/4 pound of grapes. How many 1/8 pound servings can Jonathan make from his grapes?

A: I have explained everything within the solution. Please go through.

Q: Problem 1: For the initial value problem * = x(1x), x(0) = xo, do the following: (a) find explicit…

Q: The Fibonacci numbers are a sequence numbers defined by F₁ = 1, F₂ = 1, and Fn = Fn-1 + Fn-2 for n ≥…

A: Since, the Fibonacci number is defined as F1=1,F2=1 and…

Q: Find the slope of the line. 7+ 6 5 4 3 2 1 -7 -6 -5 -4 -3 -2 -1 4 -2 -3 -4 -5 -6 -7+ 1 2 3 4 5 6 A…

Question

I only need 1 or (a)

Sales The table shows the sales (in billions of
dollars) for Wal-Mart stores from 2006 through
2013. (Source: Wal-Mart Stores, Inc.)
Year 2006 2007 2008 2009
Sales 348.7 378.8 405.6 408.2
Year 2010 2011 2012 2013
Sales 421.8 447.0 469.2 476.2
(a) Setup a system of equations representing the data for the years 2006 - 2010, setup a system of equations to fit the data based on a quartic (4th degree)
model. What are the equations?
(b) Solve the system using Mathematica. What are the coefficients aî, A1, A2, A3, A4 of the quartic equation?
(c) Produce a scatter plot in Desmos, and graph the function in the same window. Provide the graph below.
(d) Does the solution produce a reasonable model for predicting sales after 2010?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: let us understand the given problem

VIEW

Step 2: solution of the given problem

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Stock Market The week of September 15, 2008 was one of the most volatile weeks ever for the US stock market. The closing numbers of the Dow Jones Industrial Average each day were: What was the overall change for the week? Was it positive or negative?
LIFE SCIENCE APPLICATIONS HIV Infection The time interval between a persons initial infection with HIV and that persons eventual development of AIDS symptoms is an important issue. The method of infection with HIV affects the time interval before AIDS develops. One study of HIV patients who were infected by intravenous drug use found that 17 of the patients had AIDS after 4 years and 33 had developed the disease after 7 years. The relationship between the time interval and the percentage of patients with AIDS can be modeled accurately with a linear equation. Source: Epidemiologic Review. a. Write a linear equation y=mt+b that models these data, using the ordered pairs (4,0.17) and (7,0.33). b. Use your equation from part a to predict the number of years before half of these patients will have AIDS.
Cell Phone Plans Gwendolyn is mulling over the three cell phone plans shown in the table. Gigabytes GB of data included Monthly Cost Each additional megabytes MB Plan A Plan B Plan C 1 1 1 25.00 40.00 60.00 2.00 1.50 1.00 From past experience, Gwendolyn knows that she will always use more than 1GB of cell phone data every month. aMake table of values that shows the cost of each plan for 1 GB to 4 GB, in 500 MB increments. bFind formulas that give Gwendolyns monthly cost for each plan, assuming that she uses x gigabytes of data per month where x1. cWhat is the charge from each plan when Gwendolyn uses 2.2 GB? 3.7 GB? 4.9 GB? d Use your formulas from part b to determine the number of gigabytes of data usage for which: (i) Plan A and Plan B give the same cost. (ii) Plan A and Plan C give the same cost. (iii) Plan B and Plan C give the same cost.
OTHER APPLICATIONS Car Accidents The tables in the next columns give the death rates, per million person trips, for male and female drivers for various ages and number of passengers. Male Drivers Number of Passengers Age 0 1 2 3 16 2.61 4.39 6.29 9.08 17 1.63 2.77 4.61 6.92 30-59 0.92 0.75 0.62 0.54 Female Drivers Number of Passengers Age 0 1 2 3 16 1.38 1.72 1.94 3.31 17 1.26 1.48 2.82 2.28 30-59 0.41 0.33 0.27 0.40 a. Write a matrix for death rate of male drivers. b. Write a matrix for death rate of female drivers. c. Use the matrices from parts a and b to write a matrix showing the difference between the death rates of males and females. d. Analyze the results of part c and make some suggestions on how to reduce the rates.
HOW DO YOU SEE IT? Discuss how well a linear model approximates the data shown in each scatter plot.
Grade Point Average In many universities students are given grade points for each credit unit according to the following scale: A 4 points B 3 points C 2 points D 1 point F 0 point For example, a grade of A in a 3-unit course earns 43=12 grade points and a grade of B in a 5-unit course earns 35=15 grade points. A students grade point average GPA for these two courses is the total number of grade points earned divided by the number of units; in this case the GPA is (12+15)8=3.375. a Find a formula for the GPA of a student who earns a grade of A in a units of course work, B in b units, C in c units, D in d units and F in f units. b Find the GPA of a student who has earned a grade of A in two 3-unit courses, B in one 4-unit courses and C in three 3-unit courses.