By Susanna S. Epp

ISBN-10: 0495391328

ISBN-13: 9780495391326

Susanna Epp's DISCRETE arithmetic WITH functions, FOURTH version presents a transparent creation to discrete arithmetic. well known for her lucid, obtainable prose, Epp explains complicated, summary strategies with readability and precision. This publication provides not just the foremost topics of discrete arithmetic, but additionally the reasoning that underlies mathematical idea. scholars enhance the facility to imagine abstractly as they research the tips of common sense and facts. whereas studying approximately such suggestions as good judgment circuits and desktop addition, set of rules research, recursive pondering, computability, automata, cryptography, and combinatorics, scholars notice that the tips of discrete arithmetic underlie and are necessary to the technological know-how and know-how of the pc age. total, Epp's emphasis on reasoning offers scholars with a powerful beginning for laptop technological know-how and upper-level arithmetic classes.

**Read or Download Discrete Mathematics with Applications (4th Edition) PDF**

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**Additional info for Discrete Mathematics with Applications (4th Edition)**

**Sample text**

Is (2, 4) ∈ V ? b. Write V as a set of ordered pairs. c. Write the domain and co-domain of V . d. Draw an arrow diagram for V . 5. Deﬁne a relation S from R to R as follows: For all (x, y) ∈ R × R, (x, y) ∈ S means that x ≥ y. a. Is (2, 1) ∈ S? Is (2, 2) ∈ S? Is 2 S 3? Is (−1) S (−2)? b. Draw the graph of S in the Cartesian plane. 6. Deﬁne a relation R from R to R as follows: For all (x, y) ∈ R × R, (x, y) ∈ R means that y = x 2. a. Is (2, 4) ∈ R? Is (4, 2) ∈ R? Is (−3) R 9? Is 9 R (−3)? b. Draw the graph of R in the Cartesian plane.

There is a real number whose product with every real number equals zero. has the property that its . a. Some . b. There is a real number a such that the product of a c. There is a real number a with the property that for every . real number b, Answers for Test Yourself 1. true; all elements of a set 2. is true; also has to be true 3. 2 The Language of Sets . . when we attempt to express in mathematical symbols a condition proposed in words. First, we must understand thoroughly the condition. Second, we must be familiar with the forms of mathematical expression.

15. Let X = {2, 4, 5} and Y = {1, 2, 4, 6}. Which of the following arrow diagrams determine functions from X to Y ? 5 X Y 1 2 4 4 5 6 w 1 4 e. 6 2 0 2 2 4 5 13. Let A = {−1, 0, 1} and B = {t, u, v, w}. Deﬁne a function F: A → B by the following arrow diagram: X 1 4 Is T a function? Explain. a. Y 2 y − x = 1. 2 X Y 1 2 4 16. 6. 1 Find f (−1), f (0), and f 2 . 17. 6. Find g(−1000), g(0), and g(999). 18. 6. 12 0 9 Find h − 5 , h 1 , and h 17 . 19. Deﬁne functions f and g from R to R by the following formulas: For all x ∈ R, f (x) = 2x and g(x) = 2x 3 + 2x .

### Discrete Mathematics with Applications (4th Edition) by Susanna S. Epp

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