Finite Mathematics (11th Edition)
11th Edition
ISBN: 9780321979438
Author: Margaret L. Lial, Raymond N. Greenwell, Nathan P. Ritchey
Publisher: PEARSON
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Chapter 4, Problem 15RE
To determine
The necessity of simplex method over graphical method.
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4.
The revenue (in thousands of dollars) from producing x units of an item is R(x)=8x-0.015 x².
a) Find the average rate of change of revenue when the production is increased from 1000 to 1001 units.
MATH 122
WORKSHEET 3
February 5, 2025
. Solve the following problems on a separate sheet. Justify your answers to earn full credit.
1. Let f(x) = x² - 2x + 1.
(a) Find the slope of the graph of y = f (x) at the point P = (0,1) by directly
evaluating the limit:
f'(0) = lim (
f(Ax) - f(0)
Ax
Ax→0
(b) Find the equation of the tangent line 1 to the graph of ƒ at P.
What are the x and y intercepts of 1 ?
(c) Find the equation of the line, n, through P that is perpendicular to the tangent line l.
(Line n is called the normal line to the graph of f at P.)
(d) Sketch a careful graph that displays: the graph of y = f (x), its vertex point, its
tangent and normal lines at point P, and the x and y intercepts of these lines.
Bonus: Find the coordinates of the second point, Q, (QP), at which the normal
line n intersects the graph of f.
2. A rock is thrown vertically upward with an initial velocity of 20 m/s
from the edge of a bridge that is 25 meters above a river bed. Based
on Newton's Laws of…
1
If ye y = sin x, find dy/dx and dy/dx²
at (0, 0).
Chapter 4 Solutions
Finite Mathematics (11th Edition)
Ch. 4.1 - Convert each inequality into an equation by adding...Ch. 4.1 - Prob. 2ECh. 4.1 - Convert each inequality into an equation by adding...Ch. 4.1 - Prob. 4ECh. 4.1 - For Exercises 5-8. (a) determine the number of...Ch. 4.1 - Prob. 6ECh. 4.1 - For Exercises 5-8, (a) determine the number of...Ch. 4.1 - For Exercises 5-8, (a) determine the number of...Ch. 4.1 -
Introduce slack variables as necessary, then...Ch. 4.1 - Introduce slack variables as necessary, then write...
Ch. 4.1 - Introduce slack variables as necessary, then write...Ch. 4.1 - Introduce slack variables as necessary, then write...Ch. 4.1 - Prob. 13ECh. 4.1 - Introduce slack variables as necessary, then write...Ch. 4.1 -
Write the solutions that can be read from each...Ch. 4.1 - Write the solutions that can be read from each...Ch. 4.1 - Prob. 17ECh. 4.1 - Prob. 18ECh. 4.1 - Pivot once as indicated in each simplex tableau....Ch. 4.1 - Pivot once as indicated in each simplex tableau....Ch. 4.1 - Prob. 21ECh. 4.1 - Prob. 22ECh. 4.1 - Prob. 23ECh. 4.1 - Prob. 24ECh. 4.1 - Explain the purpose of a slack variable.Ch. 4.1 - Prob. 26ECh. 4.1 - Prob. 27ECh. 4.1 - Set up Exercises 2731 for solution by the simplex...Ch. 4.1 - Set up Exercises 2731 for solution by the simplex...Ch. 4.1 - Set up Exercises 2731 for solution by the simplex...Ch. 4.1 - Set up Exercises 27for solution by the simplex...Ch. 4.2 -
In Exercises 1-6, the initial tableau of a linear...Ch. 4.2 -
In Exercises 1-6, the initial tableau of a linear...Ch. 4.2 - In Exercises 1-6, the initial tableau of a linear...Ch. 4.2 - In Exercises 1-6, the initial tableau of a linear...Ch. 4.2 -
In Exercises 1-6, the initial tableau of a linear...Ch. 4.2 - In Exercises 1- the initial tableau of a linear...Ch. 4.2 -
Use the simplex method to solve each linear...Ch. 4.2 - Prob. 8ECh. 4.2 - Prob. 9ECh. 4.2 - Use the simplex method to solve each linear...Ch. 4.2 - Prob. 11ECh. 4.2 - Prob. 12ECh. 4.2 -
Use the simplex method to solve each linear...Ch. 4.2 - Prob. 14ECh. 4.2 - Use the simplex method to solve each linear...Ch. 4.2 - Prob. 16ECh. 4.2 - Prob. 17ECh. 4.2 - Prob. 18ECh. 4.2 - The simplex algorithm still works if an indicator...Ch. 4.2 -
20. What goes wrong if a quotient other than...Ch. 4.2 - Prob. 21ECh. 4.2 - Prob. 22ECh. 4.2 - Prob. 23ECh. 4.2 -
Set up and solve Exercises 23–29 by the...Ch. 4.2 -
Set up and solve Exercises 23–29 by the simplex...Ch. 4.2 - Set up and solve Exercises 23–29 by the simplex...Ch. 4.2 - Set up and solve Exercises 2329 by the simplex...Ch. 4.2 - Set up and solve Exercises 2329 by the simplex...Ch. 4.2 - Prob. 29ECh. 4.2 - Profit A manufacturer makes two products, toy...Ch. 4.2 - Exercises and 32 come from past CPA examinations....Ch. 4.2 - Prob. 32ECh. 4.2 - Prob. 33ECh. 4.2 - Prob. 34ECh. 4.2 - Prob. 35ECh. 4.2 - Prob. 36ECh. 4.2 -
37. Resource Management The average weights of...Ch. 4.2 - Prob. 38ECh. 4.2 - Prob. 39ECh. 4.2 - Prob. 40ECh. 4.3 -
Find the transpose of each matrix.
1.
Ch. 4.3 - Prob. 2ECh. 4.3 - Prob. 3ECh. 4.3 - Find the transpose of each matrix. [...Ch. 4.3 -
State the dual problem for each linear...Ch. 4.3 - Prob. 6ECh. 4.3 -
State the dual problem for each linear...Ch. 4.3 - Prob. 8ECh. 4.3 - Prob. 9ECh. 4.3 -
Use the simples method to solve.
10. Find y1 ≥...Ch. 4.3 -
Use the simplex method to solve.
11. Find y1 ≥...Ch. 4.3 -
Use the simplex method to solve.
12. Minimize w...Ch. 4.3 - Prob. 13ECh. 4.3 -
Use the simplex method to solve.
14. Minimize w =...Ch. 4.3 - Prob. 15ECh. 4.3 - Prob. 16ECh. 4.3 - Prob. 17ECh. 4.3 - Prob. 18ECh. 4.3 -
19. Production Costs A brewery produces regular...Ch. 4.3 - Supply Costs The chemistry department at a local...Ch. 4.3 - Prob. 21ECh. 4.3 - Prob. 22ECh. 4.3 - Prob. 23ECh. 4.3 -
24. Animal Food An animal food must provide at...Ch. 4.3 - Feed Costs Refer to Example 5 in this section on...Ch. 4.3 - Prob. 26ECh. 4.3 - Calorie Expenditure Maureen Rachford wants to...Ch. 4.3 -
28. Health Care Greg Conover takes vitamin...Ch. 4.3 - 29. Blending Nutrients A biologist must make a...Ch. 4.4 - Prob. 1ECh. 4.4 - Prob. 2ECh. 4.4 - Prob. 3ECh. 4.4 - Prob. 4ECh. 4.4 -
Convert each problem into a maximization...Ch. 4.4 - Prob. 6ECh. 4.4 - Prob. 7ECh. 4.4 - Prob. 8ECh. 4.4 - Prob. 9ECh. 4.4 - Prob. 10ECh. 4.4 - Use the simplex method to solve. Find x1 0, x2 0...Ch. 4.4 - Prob. 12ECh. 4.4 - Prob. 13ECh. 4.4 - Prob. 14ECh. 4.4 - Prob. 15ECh. 4.4 - Prob. 16ECh. 4.4 - Prob. 17ECh. 4.4 - Prob. 18ECh. 4.4 - Solve using artificial variables. Maximize w =...Ch. 4.4 - Prob. 20ECh. 4.4 - Prob. 21ECh. 4.4 - Prob. 22ECh. 4.4 - Prob. 23ECh. 4.4 - Prob. 24ECh. 4.4 - Prob. 25ECh. 4.4 - Prob. 26ECh. 4.4 - Prob. 27ECh. 4.4 - Blending Seed Topgrade Turf lawn seed mixture...Ch. 4.4 - Prob. 29ECh. 4.4 - Prob. 30ECh. 4.4 - 31. Blending Chemicals Natural Brand plant food is...Ch. 4.4 - Prob. 32ECh. 4.4 -
33. Calorie Expenditure Joe Vetere’s exercise...Ch. 4 - Suppose you plan to build a raised flower bed...Ch. 4 - For the list of standard paper roll widths given...Ch. 4 - Prob. 3EACh. 4 - For the computer solution of the cutting problem,...Ch. 4 - Prob. 5EACh. 4 - Prob. 6EACh. 4 - Suppose that of the original 33 cutting patterns,...Ch. 4 - Prob. 8EACh. 4 - Compare your two answers from Exercise 8 with each...Ch. 4 - Prob. 10EACh. 4 -
Determine whether each of the following...Ch. 4 - Prob. 2RECh. 4 -
Determine whether each of the following...Ch. 4 - Prob. 4RECh. 4 -
Determine whether each of the following...Ch. 4 - Prob. 6RECh. 4 - Prob. 7RECh. 4 - Prob. 8RECh. 4 - Prob. 9RECh. 4 - Determine whether each of the following statements...Ch. 4 - Determine whether each of the following statements...Ch. 4 - Prob. 12RECh. 4 - Prob. 13RECh. 4 - Prob. 14RECh. 4 - Prob. 15RECh. 4 -
Determine whether each of the following...Ch. 4 -
For each problem. (a) add slack variables or...Ch. 4 - For each problem, (a) add slack variables or...Ch. 4 -
For each problem, (a) add slack variables or...Ch. 4 - For each problem, (a) add slack variables or...Ch. 4 -
Use the simplex method to solve each maximization...Ch. 4 - Use the simplex method to solve each maximization...Ch. 4 -
Use the simplex method to solve each maximization...Ch. 4 - Use the simplex method to solve each maximization...Ch. 4 - Convert each problem into a maximization problem...Ch. 4 - Convert each problem into a maximization problem...Ch. 4 - Prob. 27RECh. 4 - Prob. 28RECh. 4 - Prob. 29RECh. 4 - Prob. 30RECh. 4 - Prob. 31RECh. 4 - Prob. 32RECh. 4 - Prob. 33RECh. 4 - Prob. 34RECh. 4 - Prob. 35RECh. 4 -
36. In Chapter 2 we wrote a system of It near...Ch. 4 - Prob. 37RECh. 4 - Prob. 38RECh. 4 - Prob. 39RECh. 4 - Prob. 40RECh. 4 - Prob. 41RECh. 4 - Prob. 42RECh. 4 - Prob. 43RECh. 4 - Prob. 44RECh. 4 - Prob. 45RECh. 4 - Prob. 46RECh. 4 - Prob. 47RE
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