winter 07 - W0710501 MAT 1050 GROUP FINAL EXAM WINTER 2007...

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1 MAT 1050 GROUP FINAL EXAM – WINTER 2007 SHOW ALL WORK. DO NOT USE A CALCULATOR. 1. (7 pts.) Simplify by adding (or subtracting) like terms wherever possible: x y y x x x 3 5 2 6 3 2 3 3 - + + - + 2. (7 pts.) Simplify completely: 3 2 9 3 4 4 3 0 5 2 54 c b c a b a - - 3. (7 pts.) Simplify completely: ( 29 ( 29 3 3 3 3 9 2 4 3 2 2 - + 4. (7 pts.) Simplify completely: 1 3 2 3 2 5 3 8 8 32 - - - - + 5. (6 pts.) Solve: 4 3 - = + x x 6. (6 pts.) Solve: 1 1 3 4 < + - a 7. (7 pts.) In a political science classroom, the number of Republicans is 3 2 the number of Democrats, and the number of Independents is 4 1 the number of Republicans. If there are 66 students in the class, how many are Independents? 8. (7 pts.) Solve for 2 1 : + = + AB A B A A 9. (6 pts.) Let f be the function given by 4 3 2 ) ( 3 x x x f - + = . What is the domain of f ? 10.

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winter 07 - W0710501 MAT 1050 GROUP FINAL EXAM WINTER 2007...

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