winter 06 key - -1.1 b) 2.4 c) 1.8 25 . ( ) 3 = f 26....

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MAT 1050 Final Exam Answer Key Winter 2006 1. x x x x 1 1 1 6 5 3 2 5 4 + 2. 9 10 5 2 z x 3. 3 3 2 6 + 4 . 3 28 5. {} 6. 3 14 , 3 16 7. She invested $2000 at 7% and $8000 at 5%. 8. 1 + = pq p q r 9. , 3 1 10. 1 11 . 1 6 2 h x 12 . 2 1 = x 13 . 5 5 2 = x y 14. The area is 5 32 (or 80 8 ) square feet. 15. { } i i 17 2 , 17 2 , 0 + 16 . Vertex () 2 , 1 O p e n s u p y x (1,2) (0,4) (2,4)
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17 . () () () 7 1 1 2 + x x x 18 . {} 1 , 3 19 . {} 1 20 . () ( ) , 1 3 , U 21 . a) Domain [ )( ) 5 , 1 2 , 4 U b) Range () 4 , 3 c) [ ){ } 0 2 , 4 U 22. 1 , 27 8 23. a) 3 b) 2 c) 2 1 24 .
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Unformatted text preview: -1.1 b) 2.4 c) 1.8 25 . ( ) 3 = f 26. Center ( ) 3 , 1 Ellipse 27. ( ) ( ) < < < 4 tan 2 . 3 sin 2 . 3 cos 3 28 . a) 5 2 radians b) o 300 29 . a) ( ) o 37 cos 7 = x 30. The cars speed is 65 mph and the motorcycles is 55 mph. y x 6 1-2 2-1-1 1-2 2 3 3 -3-3 4 4 -4-4 5 5-5-5 6-6 (-2,-3) (1,-4) (1,-2) (4,-3)...
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winter 06 key - -1.1 b) 2.4 c) 1.8 25 . ( ) 3 = f 26....

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