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MA 114-001

Introduction to Finite Mathematics with Applications

Mathematics

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#### Section 1.1

#### Section 3.2

13. After one or two steps of the simplex method (depending on how you do it), all the rows end with a positive number, but there is still a column whose bottom entry is negative. So we go back to our original simplex method. Unfortunately, all the entries in that column are negative, so we cannot find a pivot.

#### Section 5.4

8. (a) 3/10 (b) 9/10 (c) 1/3 (d) 1/2

12. (a) 1/625 (b) 1/125 (c) 1/120 (d) 12/125

14. (a) 1/5 (b) 2/9 (c) 1/9

#### Section 5.5

4. (b) .784 (c) .64

6. 8/13

12. (a) 1/5 (b) 3/5

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