Finite Mathematics for Business, Economics, Life Sciences and Social Sciences Plus NEW MyLab Math with Pearson eText -- Access Card Package (13th Edition)
13th Edition
ISBN: 9780321947628
Author: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen
Publisher: PEARSON
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Textbook Question
Chapter 5.1, Problem 4MP
A food vendor at a rock concert sells hot dogs for
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A function is defined on the interval (-π/2,π/2) by this multipart rule:
if -π/2 < x < 0
f(x) =
a
if x=0
31-tan x
+31-cot x
if 0 < x < π/2
Here, a and b are constants. Find a and b so that the function f(x) is continuous at x=0.
a=
b= 3
Use the definition of continuity and the properties of limits to show that the function is continuous at the given number a.
f(x) = (x + 4x4) 5,
a = -1
lim f(x)
X--1
=
lim
x+4x
X--1
lim
X-1
4
x+4x
5
))"
5
))
by the power law
by the sum law
lim (x) + lim
X--1
4
4x
X-1
-(0,00+(
Find f(-1).
f(-1)=243
lim (x) +
-1 +4
35
4 ([
)
lim (x4)
5
x-1
Thus, by the definition of continuity, f is continuous at a = -1.
by the multiple constant law
by the direct substitution property
Chapter 5 Solutions
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences Plus NEW MyLab Math with Pearson eText -- Access Card Package (13th Edition)
Ch. 5.1 - Graph 6x3y18.Ch. 5.1 - Graph (A) y4 (B) 4x9 (C) 3x2yCh. 5.1 - Find the linear inequality whose graph is given in...Ch. 5.1 - A food vendor at a rock concert sells hot dogs for...Ch. 5.1 - For Problems 1-8, if necessary, review Section...Ch. 5.1 - For Problems 1-8, if necessary, review Section...Ch. 5.1 - For Problems 1-8, if necessary, review Section...Ch. 5.1 - For Problems 1-8, if necessary, review Section...Ch. 5.1 - For Problems 1-8, if necessary, review Section...Ch. 5.1 - For Problems 1-8, if necessary, review Section...
Ch. 5.1 - For Problems 1-8, if necessary, review Section...Ch. 5.1 - For Problems 1-8, if necessary, review Section...Ch. 5.1 - Graph each inequality in Problems 9-18. yx1Ch. 5.1 - Graph each inequality in Problems 9-18. yx+1Ch. 5.1 - Graph each inequality in Problems 9-18. 3x2y6Ch. 5.1 - Graph each inequality in Problems 9-18. 2x5y10Ch. 5.1 - Graph each inequality in Problems 9-18. x4Ch. 5.1 - Graph each inequality in Problems 9-18. y5Ch. 5.1 - Graph each inequality in Problems 9-18. 6x+4y24Ch. 5.1 - Graph each inequality in Problems 9-18. 4x+8y32Ch. 5.1 - Graph each inequality in Problems 9-18. 5x2yCh. 5.1 - Graph each inequality in Problems 9-18. 6x4yCh. 5.1 - In Problems 19-22, (A) graph the set of points...Ch. 5.1 - In Problems 19-22, (A) graph the set of points...Ch. 5.1 - In Problems 19-22, (A) graph the set of points...Ch. 5.1 - In Problems 19-22, (A) graph the set of points...Ch. 5.1 - In Problems 23-28, define the variable and...Ch. 5.1 - In Problems 23-28, define the variable and...Ch. 5.1 - In Problems 23-28, define the variable and...Ch. 5.1 - In Problems 23-28, define the variable and...Ch. 5.1 - In Problems 23-28, define the variable and...Ch. 5.1 - In Problems 23-28, define the variable and...Ch. 5.1 - In Exercises 33-38, state the linear inequality...Ch. 5.1 - In Exercises 33-38, state the linear inequality...Ch. 5.1 - In Exercises 33-38, state the linear inequality...Ch. 5.1 - In Exercises 33-38, state the linear inequality...Ch. 5.1 - In Exercises 33-38, state the linear inequality...Ch. 5.1 - In Exercises 33-38, state the linear inequality...Ch. 5.1 - In Problems 39-44, define two variables and...Ch. 5.1 - In Problems 39-44, define two variables and...Ch. 5.1 - In Problems 39-44, define two variables and...Ch. 5.1 - In Problems 39-44, define two variables and...Ch. 5.1 - In Problems 39-44, define two variables and...Ch. 5.1 - In Problems 39-44, define two variables and...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 45-54, graph each inequality subject...Ch. 5.1 - In Problems 51-62, express your answer as a linear...Ch. 5.1 - Prob. 52ECh. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.1 - In Problems 55-66, express your answer as a linear...Ch. 5.2 - Solve the following system of linear inequalities...Ch. 5.2 - Solve the following system of linear inequalities...Ch. 5.2 - A manufacturing plant makes two types of...Ch. 5.2 - For Problems 1-8, if necessary, review Section...Ch. 5.2 - For Problems 1-8, if necessary, review Section...Ch. 5.2 - For Problems 1-8, if necessary, review Section...Ch. 5.2 - For Problems 1-8, if necessary, review Section...Ch. 5.2 - For Problems 1-8, if necessary, review Section...Ch. 5.2 - For Problems 1-8, if necessary, review Section...Ch. 5.2 - For Problems 1-8, if necessary, review Section...Ch. 5.2 - For Problems 1-8, if necessary, review Section...Ch. 5.2 - In Problems 9-12, match the solution region of...Ch. 5.2 - In Problems 9-12, match the solution region of...Ch. 5.2 - In Problems 9-12, match the solution region of...Ch. 5.2 - In Problems 9-12, match the solution region of...Ch. 5.2 - In Problems 13-16, solve each system of linear...Ch. 5.2 - In Problems 13-16, solve each system of linear...Ch. 5.2 - In Problems 13-16, solve each system of linear...Ch. 5.2 - In Problems 13-16, solve each system of linear...Ch. 5.2 - In Problems 17-20, match the solution region of...Ch. 5.2 - In Problems 17-20, match the solution region of...Ch. 5.2 - In Problems 17-20, match the solution region of...Ch. 5.2 - In Problems 17-20, match the solution region of...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 29-38 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - \ Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Solve the systems in Problems 39-48 graphically...Ch. 5.2 - Problems 49 and 50 introduce an algebraic process...Ch. 5.2 - Problems 49 and 50 introduce an algebraic process...Ch. 5.2 - Water skis. A manufacturing company makes two...Ch. 5.2 - Furniture. A furniture manufacturing company...Ch. 5.2 - Water skis. Refer to Problem 51. The company makes...Ch. 5.2 - Furniture. Refer to Problem 52. The company makes...Ch. 5.2 - Plant food. A farmer can buy two types of plant...Ch. 5.2 - Nutrition. A dietician in a hospital is to arrange...Ch. 5.2 - Psychology. A psychologist uses two types of boxes...Ch. 5.3 - A manufacturing plant makes two types of...Ch. 5.3 - Refer to the feasible region S shown in Figure 3....Ch. 5.3 - In Example 2B we saw that there was no optimal...Ch. 5.3 - (A) Maximize and minimize z=4x+2y subject to the...Ch. 5.3 - A chicken farmer can buy a special food mix A at...Ch. 5.3 - In Problem 1-8, if necessary, review Theorem 1. In...Ch. 5.3 - In Problem 1-8, if necessary, review Theorem 1. In...Ch. 5.3 - In Problem 1-8, if necessary, review Theorem 1. In...Ch. 5.3 - In Problem 1-8, if necessary, review Theorem 1. In...Ch. 5.3 - In Problems 1-8, if necessary, review Theorem 1....Ch. 5.3 - In Problems 1-8, if necessary, review Theorem 1....Ch. 5.3 - In Problems 1-8, if necessary, review Theorem 1....Ch. 5.3 - In Problems 1-8, if necessary, review Theorem 1....Ch. 5.3 - In Problems 9-12, graph the constant-profit lines...Ch. 5.3 - In Problems 9-12, graph the constant-profit lines...Ch. 5.3 - In Problems 9-12, graph the constant-profit lines...Ch. 5.3 - In Problems 9-12, graph the constant-profit lines...Ch. 5.3 - In Problems 13-16, graph the constant-cost lines...Ch. 5.3 - In Problems 13-16, graph the constant-cost lines...Ch. 5.3 - In Problems 13-16, graph the constant-cost lines...Ch. 5.3 - In Problems 13-16, graph the constant-cost lines...Ch. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Prob. 23ECh. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Prob. 26ECh. 5.3 - Prob. 27ECh. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Prob. 29ECh. 5.3 - Prob. 30ECh. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Prob. 32ECh. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - Solve the linear programming problems stated in...Ch. 5.3 - In Problems 39 and 40, explain why Theorem 2...Ch. 5.3 - In Problems 39 and 40, explain why Theorem 2...Ch. 5.3 - The corner points for the bounded feasible region...Ch. 5.3 - Prob. 38ECh. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5.3 - In Problems 49-64, construct a mathematical model...Ch. 5 - Graph each inequality. x2y3Ch. 5 - Graph each inequality. 3y5x30Ch. 5 - Graph the systems in Problems 3-6 and indicate...Ch. 5 - Graph the systems in Problems 3-6 and indicate...Ch. 5 - Graph the systems in Problems 3-6 and indicate...Ch. 5 - Graph the systems in Problems 3-6 and indicate...Ch. 5 - In Exercises 7 and 8, state the linear inequality...Ch. 5 - In Exercises 7 and 8, state the linear inequality...Ch. 5 - Solve the linear programming problems in Problems...Ch. 5 - Solve the linear programming problems in Problems...Ch. 5 - Solve the linear programming problems in Problems...Ch. 5 - Solve the linear programming problems in Problems...Ch. 5 - Solve the linear programming problems in Problems...Ch. 5 - Electronics. A company uses two machines to solder...Ch. 5 - In problems 15 and 16, construct a mathematical...Ch. 5 - In problems 15 and 16, construct a mathematical...
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