BuyFind*arrow_forward*

5th Edition

EPP + 1 other

Publisher: Cengage Learning,

ISBN: 9781337694193

Chapter 8.4, Problem 9ES

Textbook Problem

In 9-11, prove each of the given statements, assuming that *a, b, c, d*, and *n *are integers with *n*>1 and that

Discrete Mathematics With Applications

Show all chapter solutions

Ch. 8.1 - If R is a relation from A to B, xA , and yB , the...Ch. 8.1 - If R is a relation from A to B, xA and yB , the...Ch. 8.1 - If R is a relation from A to B, xA , and yB , then...Ch. 8.1 - A relation on a set A is a realtion _______to...Ch. 8.1 - If R is a relation on a set A, the directed graph...Ch. 8.1 - As in Example 8.1.2, the congruence modulo 2...Ch. 8.1 - Prove that for all integers m and n,m-n is even...Ch. 8.1 - The congruence modulo 3 relation, T, is defined...Ch. 8.1 - Define a relation P on Z as follows: For every...Ch. 8.1 - Let X={a,b,c} . Recall that P(X) is the power set...

Ch. 8.1 - Let X={a,b,c}. Define a relation J on P(X) as...Ch. 8.1 - Define a relation R on Z as follows: For all...Ch. 8.1 - Let A be the set of all string of a’s and b’s of...Ch. 8.1 - Let A be the set of all strings of 0’s, 1’s, and...Ch. 8.1 - Let A={3,4,5} and B={4,5,6} and let R be the “less...Ch. 8.1 - Let A={3,4,5} and B={4,5,6} and let S be the...Ch. 8.1 - Suppose a function F:XY is one-to-one but not...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Exercises 19-20 refer to unions and intersections...Ch. 8.1 - Exercises 19—20 refer to unions and intersections...Ch. 8.1 - Define relation R and S on R as follows:...Ch. 8.1 - Define relations R and S on R as follows:...Ch. 8.1 - Define relations R and S on R as follows:...Ch. 8.1 - In Example 8.17 consider the query SELECT...Ch. 8.2 - For a relation R on a set A to be reflexive means...Ch. 8.2 - For a relation R on a set A to be symmetric means...Ch. 8.2 - For a relation R on a set A to be transitive means...Ch. 8.2 - To show that a relation R on an infinite set A is...Ch. 8.2 - To show that a relation R on an infinite set A is...Ch. 8.2 - To show that a relation R on an infinite set A is...Ch. 8.2 - To show that a relation R on a set A is not...Ch. 8.2 - To show that a relation R on a set not symmentric,...Ch. 8.2 - To show that a relation R on a set A is not...Ch. 8.2 - Given a relation R on a set A, the transitive...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9—33, determine whether the given relation is...Ch. 8.2 - In 9—33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given is reflexive...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9—33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 34-36, assume that R is a relation on a et A....Ch. 8.2 - In 34-36, assume that R is a relation on a et A....Ch. 8.2 - In 34-36, assume that R is a relation on a et A....Ch. 8.2 - In 37-42, assume that R and S are relations on set...Ch. 8.2 - In 37-42, assume that R and S are relations on a...Ch. 8.2 - In 37-42, assume that R and S are relations on set...Ch. 8.2 - In 37-42, assume that R and S are relations on set...Ch. 8.2 - In 37-42, assume that R and S are relations on a...Ch. 8.2 - In 37-42, assume that R and S are relations on a...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 51—53, R, S, and T are relations defined on...Ch. 8.2 - In 51—53, R, S, and T are relations defined on...Ch. 8.2 - In 51-53, R,S, and T are relations defined...Ch. 8.2 - Write a computer algorithm to test whether a...Ch. 8.2 - Write a computer algorithm to test whether a...Ch. 8.2 - Write a computer algorithm to test whether a...Ch. 8.3 - For a relation on a set to be an equivalence...Ch. 8.3 - The notation m=n(modd) is...Ch. 8.3 - Given an equivalence relation R on a set A and...Ch. 8.3 - If A is a set, R is an equivalence relation A, and...Ch. 8.3 - If A is a set and R is an equivalence relation on...Ch. 8.3 - Let A=Z(Z{0}) , and define a relation R on A by...Ch. 8.3 - Suppose that S={a,b,c,d,e} and R is a relation on...Ch. 8.3 - Each of the following partitions of {0,1,2,3,4}...Ch. 8.3 - In each of 3-6, the relation R is an equivalence...Ch. 8.3 - In each of 3—6, the relation R is an equivalence...Ch. 8.3 - In each of 3-6, the relation R is an equivalence...Ch. 8.3 - In each of 3-6, the relation R is an equivalence...Ch. 8.3 - In each of 7-14, the relation R is an equivalence...Ch. 8.3 - In each of 7-14, the relation R is an equivalence...Ch. 8.3 - In each of 7-14, the relation R is an equivalence...Ch. 8.3 - In each of 7-14, relation R is an equivalence...Ch. 8.3 - In each of 7-14, relation R is an equivalence...Ch. 8.3 - In each of 7-14, relation R is an equivalence...Ch. 8.3 - In each of 7-14, the relation R is an equivalence...Ch. 8.3 - In each of 7—14, the relation R is an equivalence...Ch. 8.3 - Determine which of the following congruence...Ch. 8.3 - Let R be the relation of congruence modulo 3....Ch. 8.3 - Prove that for all integers m and n,m=n (mod 3)...Ch. 8.3 - Give an example of two sets that are distinct but...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19—31, (1) prove that the relation is an...Ch. 8.3 - In 19—31, (1) prove that the relation is an...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19-31. (1) prove that the relation is an...Ch. 8.3 - In 19-31,(1) prove that the relation is an...Ch. 8.3 - In 19-31,(1) prove that the relation is an...Ch. 8.3 - In 19-31,(1) prove that the relation is an...Ch. 8.3 - In 19-31,(1) prove that the relation is an...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19—31, (1) prove that the relation is an...Ch. 8.3 - Let A be the set of all straight lines in the...Ch. 8.3 - Let A be the set of points in the rectangle...Ch. 8.3 - The documentation for the computer language Java...Ch. 8.3 - Find an additional representative circuit for the...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on s set A. Prove...Ch. 8.3 - Let R be the relation defined in Example 8.3.12....Ch. 8.3 - In Example 8.3.12, define operations of addition...Ch. 8.3 - Let A=Z+Z+ . Define a relation R on A as follows:...Ch. 8.3 - The following argument claims to prove that the...Ch. 8.3 - Let R be a relation on a set A and suppose R is...Ch. 8.3 - Refer to the quote at the beginning of this...Ch. 8.4 - When letters of the alphabet are encrypted using...Ch. 8.4 - If a,b, and n are integers with n1 , all of the...Ch. 8.4 - If a, b. c, d, m, and n arc integers with n1 and...Ch. 8.4 - If a, n, and k are positive integers with n1 , an...Ch. 8.4 - To express a greatest common divisor of two...Ch. 8.4 - To find an inverse for a positive integer a modulo...Ch. 8.4 - TO encrypt a message M using RSA cryptography with...Ch. 8.4 - Euclid’s lemma says that for all integers a, b,...Ch. 8.4 - Fermat’s little theorem says that if p is any...Ch. 8.4 - The crux of the proof that the RSA cipher words is...Ch. 8.4 - Use the Caesar cipher to encrypt the message WHERE...Ch. 8.4 - Use the Caesar cipher to encrypt the message AN...Ch. 8.4 - Let a=25,b=19, and n=3. Verify that 3(2519) ....Ch. 8.4 - Let a=68, b=33, and n=7. Verify that 7|(68-33)....Ch. 8.4 - Prove the transitivity of modular congruence. That...Ch. 8.4 - Prove that the distinct equivalence classes of the...Ch. 8.4 - Verify the following statements. 128=2(mod7) and...Ch. 8.4 - Verify the following statements. 45=3 (mod 6) and...Ch. 8.4 - In 9-11, prove each of the given statements,...Ch. 8.4 - In 9-11, prove each of the given statements,...Ch. 8.4 - In 9-11, prove each of the given statements,...Ch. 8.4 - Prove that for every integer n0,10n=1(mod9) . Use...Ch. 8.4 - a. Prove that for every integer n1 ,...Ch. 8.4 - Use the technique of Example 8.4.4 to find...Ch. 8.4 - Use the result of exercise 14 an d the technique...Ch. 8.4 - In 16-18, use the techniques of Example 8.4.4 and...Ch. 8.4 - In 16-18, use the techniques of Example 8.4.4 and...Ch. 8.4 - In 16-18, use the techniques of Example 8.4.4 and...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - Use Theorem 5.2.2 to prove that if a and n are...Ch. 8.4 - In 26 and 27, use the extended Euclidean algorithm...Ch. 8.4 - In 26 and 27, use the extended Euclidean algorithm...Ch. 8.4 - In 28 and 29, for the given values of A and B,...Ch. 8.4 - In 28 and 29, for the given values of A and B,...Ch. 8.4 - Finish the proof of Theorem 8.4.5 by proving that...Ch. 8.4 - Find an inverse for 210 modulo 13. Find appositive...Ch. 8.4 - Find an inverse for 41 modulo 660. Find the least...Ch. 8.4 - Use Theorem 8.4.5to prove that for all integers a,...Ch. 8.4 - Give a counterexample to show that the statement...Ch. 8.4 - Corollary 8.4.7 guarantees the existence of an...Ch. 8.4 - In 36,37,39 and 40, use the RSA cipher with public...Ch. 8.4 - In 36,37,39 and 40, use the RSA cipher with public...Ch. 8.4 - Find the least positive inverse for 43 modulo 660.Ch. 8.4 - In 36,37,39 and 40, use the RSA cipher with public...Ch. 8.4 - In 36,37,39 and 40, use the RSA cipher with public...Ch. 8.4 - a. Use mathematical induction and Euclid’s lemma...Ch. 8.4 - According to Fermat’s little theorem, if p is a...Ch. 8.4 - Fermat’s little theorem can be used to show that a...Ch. 8.5 - For a relation R on a set A on a set to be...Ch. 8.5 - To show that a relation R on an infinite set A is...Ch. 8.5 - To show that a relation R on a set A is not...Ch. 8.5 - To construct a Hasse diagram for a partial order...Ch. 8.5 - If A is a set that is partially odereed with...Ch. 8.5 - A relation on a set A is a total order if, and...Ch. 8.5 - If A a set that is partially ordered with respect...Ch. 8.5 - Let A be a set that is partially order with...Ch. 8.5 - Given a set A that is partially ordered with...Ch. 8.5 - PERT and CPM are used to produces efficient_____Ch. 8.5 - Each of the following is a relation on {0,1,2,3}...Ch. 8.5 - Let P be the set of all people in the world and...Ch. 8.5 - Let S be the set of all strings of a’s and b’s....Ch. 8.5 - Let R be the “less than” relation on R, the set of...Ch. 8.5 - Let R be the set of all real numbers and define a...Ch. 8.5 - Let P be the set of all people who have ever lived...Ch. 8.5 - Define a relation R on Z, the set of all integers...Ch. 8.5 - Define a relation R on Z, the set of all integers...Ch. 8.5 - Define a relation R on R, the set of all real...Ch. 8.5 - Suppose R and S are antisymmetric relations on a...Ch. 8.5 - Let A={a,b}, and supposeAhas the partial order...Ch. 8.5 - Prove Theorem 8.5.1Ch. 8.5 - Let A={a,b} . Describe all partial order relations...Ch. 8.5 - Let A={a,b,c}. Describe all partial order...Ch. 8.5 - Suppose a relation R on a set A is reflexive,...Ch. 8.5 - Consider the “divides” relation on each of the...Ch. 8.5 - Consider the “sbset” relation on P(S) for each of...Ch. 8.5 - Let S={0,1} and consider the partial order...Ch. 8.5 - Let S={0,1} and consider the partial order...Ch. 8.5 - Let S={0,1} and consider the partial order...Ch. 8.5 - Consider the “divides” relation defined on the set...Ch. 8.5 - In 22-29, find all greatest, least, maximal, and...Ch. 8.5 - In 22-29, find all greatest, least, maximal, and...Ch. 8.5 - In 22-29, find all greatest, least, maximal, and...Ch. 8.5 - In 22-29, find all greatest, least, maximal, and...Ch. 8.5 - In 22—29, find all greatest, least, maximal, and...Ch. 8.5 - In 22—29, find all greatest, least, maximal, and...Ch. 8.5 - In 22—29, find all greatest, least, maximal, and...Ch. 8.5 - In 22—29, find all greatest, least, maximal, and...Ch. 8.5 - Each of the following sets is partially ordered...Ch. 8.5 - Let A={a,b,c,d} , and let R be the relation...Ch. 8.5 - Let A={a,b,c,d} , and let R be the relation...Ch. 8.5 - Consider the set A={12,24,48,3,9} ordered by the...Ch. 8.5 - Suppose that R is a partial order relation on a...Ch. 8.5 - The set P({w,x,y,z}) is partially ordered with...Ch. 8.5 - The set A={2,4,3,6,12,18,24} is partially ordered...Ch. 8.5 - Find a chain of length 2 for the relation defined...Ch. 8.5 - Prove that a partially ordered set is totally...Ch. 8.5 - Suppose that A is a totally ordered set. Use...Ch. 8.5 - Prove that a nonempty, finite, partially ordered...Ch. 8.5 - Prove that a finite, partially ordered set has At...Ch. 8.5 - Draw a Hasse diagram for a partially ordered set...Ch. 8.5 - Draw a Hasse diagram for a partially ordered set...Ch. 8.5 - Use the algorithm given in the text find a...Ch. 8.5 - Use the algorithm given in the text to find a...Ch. 8.5 - Use the algorithm given in the text to find a...Ch. 8.5 - Use the algorithm given in the text to find a...Ch. 8.5 - Use the algorithm given in the text to find a...Ch. 8.5 - Refer to the prerequisite structure show in Figure...Ch. 8.5 - A set S of jobs can be ordered by writing x_y to...Ch. 8.5 - Suppose the tasks described in Example 8.5.12...

Find more solutions based on key concepts

Show solutions Complete the table of equivalent fractions, decimals, and percents.

Mathematical Excursions (MindTap Course List)

Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to the nearest w...

Mathematics For Machine Technology

37. The equation for the standard normal probability distribution is
(a) At what value of z will the curve be...

Mathematical Applications for the Management, Life, and Social Sciences

GAME OF CHANCE Diane has decided to play the following game of chance. She places a 1 bet on each repeated play...

Finite Mathematics for the Managerial, Life, and Social Sciences

In Exercises 1-4, find the magnitude of the given earthquake. An earthquake was measured by three seismographs....

Mathematics: A Practical Odyssey

Find the following percentiles for the data listed in Example 4: 5th percentile

Elementary Technical Mathematics

Evaluate the expression sin Exercises 116. 52535252

Finite Mathematics

Vehicle speed on a particular bridge in China can be modeled as normally distributed (Fatigue Reliability Asses...

Probability and Statistics for Engineering and the Sciences

Dante Development Corporation is considering bidding on a contract for a new office building complex. Figure 21...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

Using a Differential as an Approximation In Exercises (a) find f (2,1) and f (2.1,1.05) and calculate z , and (...

Multivariable Calculus

In Exercises 6372, evaluate the expression. 68. 1+22

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

Finding a Particular Solution In Exercises 7-10, find the particular solution that satisfies the differential e...

Calculus: Early Transcendental Functions (MindTap Course List)

In Exercises 39 to 45, angle measures should be given to the nearest degree; distance should be given to the ne...

Elementary Geometry For College Students, 7e

In Exercises 1316, find the distance between the given pairs of points. (a,a)and(b,b)

Finite Mathematics and Applied Calculus (MindTap Course List)

SOC In problem 3.11, you computed measures of central tendency for the number of cars per 1000 population for 1...

Essentials Of Statistics

Simplify the imaginary numbers. -2-24

College Algebra (MindTap Course List)

For

Study Guide for Stewart's Multivariable Calculus, 8th

Linear and Quadratic Approximations The linear and quadratic approximations or a function f at x=a are P1(x)=f(...

Calculus: Early Transcendental Functions

Describe a distribution of scores that has a mean of M = 30 and a standard deviation of SD = 6. (Where are the ...

Research Methods for the Behavioral Sciences (MindTap Course List)

For either independent-measures or repeated-measures designs comparing two treatments, the mean difference can ...

Statistics for The Behavioral Sciences (MindTap Course List)

Finding intervals of Convergence In Exercises 49-52, find the intervals of convergence of (a) f(x), (b) f(x). (...

Calculus (MindTap Course List)

1314 Find the orthogonal trajectories of the family of curves. y=kex

Calculus (MindTap Course List)

Describe how differential attrition and communication between participants can threaten the internal validity o...

Research Methods for the Behavioral Sciences (MindTap Course List)

For which of the sample sizes given in the previous exercise would it be reasonable to think that the sampling ...

Introduction To Statistics And Data Analysis

Differentiate the function. 19. T(z)=2zlog2z

Single Variable Calculus

At the beginning of 2009, the economic downturn resulted in the loss of jobs and an increase in delinquent loan...

Statistics for Business & Economics, Revised (MindTap Course List)

The radius of a sphere is increasing at a rate of 4 mm/s. How fast is the volume increasing when the diameter i...

Calculus: Early Transcendentals

For f(x) = 6x4, f′(x) = _____.
24x
6x3
10x3
24x3

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

Graph one complete cycle for each of the following. In each case, label the axes accurately and state the perio...

Trigonometry (MindTap Course List)

Finding an Exponential formula In Exercise S-1 trough S-7, use the given information to find a formula for the ...

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

Finding Determinants Use a graphing calculator to find the determinant of the matrix. Determine whether the mat...

Precalculus: Mathematics for Calculus (Standalone Book)

Using the Panorama Products invoice below, extend each line to the Amount column and calculate the subtotal and...

Contemporary Mathematics for Business & Consumers

For Problems 29-32, classify the real number by tracing through the diagram in the text see page 16. Objective ...

Intermediate Algebra

Express each of the numbers in Exercises 7-12 as a quotient of integers, reduce to lowest terms. 2.51

Elements Of Modern Algebra

Show that (a b) b = 0 for all vectors a and b in V3.

Multivariable Calculus

Convert each expression in Exercises 25-50 into its technology formula equivalent as in the table in the text. ...

Applied Calculus

Considering that the consecutive dials on the natural gas meter rotate in opposite directions, what is the curr...

Elementary Geometry for College Students

CEO Time in Meetings. The London School of Economics and the Harvard Business School have conducted studies of ...

Essentials Of Statistics For Business & Economics

Rude Drivers: Tailgating Do you tailgate the car in front of you? About 35% of all drivers will tailgate before...

Understanding Basic Statistics

Finding Intercepts In Exercises 6570, use a graphing utility to graph the equation and approximate the x- and y...

Calculus: An Applied Approach (MindTap Course List)

Refer to the figure and find the volume generated by rotating the given region about the specified line. R3, ab...

Single Variable Calculus: Early Transcendentals, Volume I

Horizontal Tangent Line In Exercises 59-64. determine the point(s) (if any) at which the graph of tile function...

Calculus of a Single Variable

Define the terms population and sample, and explain the role of each in a research study.

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Find equations of the tangent line and normal line to the given curve at the specified point. y = 2xex, (0, 0)

Single Variable Calculus: Early Transcendentals

Series Circuit Analogue (a) Show that the solution of the initial-value problem d2xdt2+2x=F0cost,x(0)=0,x(0)=0 ...

A First Course in Differential Equations with Modeling Applications (MindTap Course List)

For the following exercises, consider the Karun-3 dam in Iran. Its shape can be approximated as an isosceles tr...

Calculus Volume 2

[T] In the following exercises, set up a table of values to find the indicated limit. Round to eight digits. 38...

Calculus Volume 1

Bistro 65 is a chain of Italian restaurants with locations in Ohio and Kentucky. The Bistro 65 menu has four ca...

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)