# winter 05 - W0510501 MAT 1050 GROUP FINAL EXAM WINTER 2005...

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1 MAT 1050 GROUP FINAL EXAM – WINTER 2005 SHOW ALL WORK. DO NOT USE A CALCULATOR. 1. (7 pts.) Simplify by adding (or subtracting) like terms wherever possible: 2 3 2 2 3 1 3 1 2 3 1 3 5 2 5 4 7 5 2 x x z + + + + + 2. (7 pts.) Simplify completely: () 7 2 8 2 4 7 2 3 2 18 3 z x z y x y x 3. (7 pts.) Simplify completely: 2 2 1 2 1 9 16 + 4. (7 pts.) Simplify completely: 1 2 3 2 1 2 3 9 9 9 5. (6 pts.) Let () x x f 8 5 5 7 = . Find all x such that ( ) 17 = x f . 6. (6 pts.) Solve: 7 2 6 4 2 3 x 7. (7 pts.) Solution A is 40% salt, while Solution B is 12% salt. How many liters of each type of solution should be mixed together in order to produce 35 liters of a solution that is 20% salt? 8. (7 pts.) Solve for 2 2 : + + = q q p q 9. (6 pts.) Let g be the function given by 5 3 1 2 ) ( 3 + = x x x g . What is the domain of

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winter 05 - W0510501 MAT 1050 GROUP FINAL EXAM WINTER 2005...

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