Discrete Mathematics and Its Application: Before reading the answer choices A a

Question

Discrete Mathematics and Its Application:

Before reading the answer choices A a definition from the list A J, write on a piece of paper each definition on your own. Then match 1 3 with ts appropriate F below. F1. n is odod | B 2. n is rational | A ' 3" n is even A. n 2k for some integer k. B. n- for some integers a and b, b0 c. n 2k1 for any integer k. D. n for some real numbers a and b, b0. E. n 2k for an arbitrary integer k. F. n 2k+1 for some integer k. Select all that are even numbers. A. 2.2 B. 4 C.-4 D. O -) E, 5

Explanation / Answer

1 ) C,B,E

2) B,C,D

0 is even as 0 = 2*0   {0 = 2*k}

even numbers

4 , -4 , 0

3) D,E

odd numbers

5 & -5    {0 is even}

4) A,B,E

5) A,D,E

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