5. Math 10-1: College Algebra SETS AND THE REAL NUMBER SYSTEM 2. Let U = {1,2,3,…,15} A = {1,2,3,…,10} B = {2,4,6,8,10} C = {3,6,9} Find each of the following: 4. A’ B = {2,4,6,8,10 ,11,12,13,14,15} 5. B’ C = {3,9} 6. C’ – A’ = {1,2,4,5,7,8,10} Exercises:
6. Math 10-1: College Algebra SETS AND THE REAL NUMBER SYSTEM 3. A survey of 70 people revealed the following statistics for fluency among the spoken languages English (E), Spanish (S) and French (F). Subject Number of fluent people E 30 S 26 F 32 E and S 12 E and F 10 S and F 8 E,S and F 3 Exercises:
7. Math 10-1: College Algebra SETS AND THE REAL NUMBER SYSTEM 3 S E F 9 7 5 11 9 17 9
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