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Unformatted text preview: for the Quiz is: A’s: 80 to 100 B’s: 70 to 79 C’s: 60 to 69 D’s: 50 to 59 1) This is the ﬁrst part of Example 11, page 254. 2) S = { 2 , 4 , 5 , 6 , 7 , 8 ... } . This is exercise 7 from Ch 4.1, but rephrased in the language of Ch 4.3. Several people assumed (incorrectly) that a 6 = b , and missed that 2 + 2 = 4 ∈ S , for example. Also, see Example 7 in Ch 4.3, which is very similar. 3) 100 + 5015 = 135 by inclusionexclusion. Or, you can draw a Venn diagram and get 85 + 15 + 35 = 135. 4a) This is 4.2.17. See me if you want help with it. 4b) This is 4.1.20. It is the same as Example 6, which we did in class. In the Basis Step, you should compute 7! and 3 7 to see which is larger (Indirectly, I gave you some help with these numbers in last part of the problem). 1...
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This note was uploaded on 12/27/2011 for the course MAD 2104 taught by Professor Staff during the Fall '08 term at FIU.
 Fall '08
 STAFF

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