fall 05 key - MAT 1050 Final Exam Answer Key Fall 2005 2 2...

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MAT 1050 Final Exam Answer Key Fall 2005 1. 3 2 3 2 3 2 15 2 12 1 5 3 3 6 + + + x 2. 5 9 2 8 z y x 3. 15 30 2 4 . 9 121 5. , 3 5 3 7 , U 6. {} 1 7. The integers are 9, 10 and 11. 8. zx z zx y + + = 1 2 9. () , 1 1 , 2 3 2 3 , U U 10. 16 11 . 4 4 a 12 . 3 2 3 + = x y 13 . x y 2 3 = 14. The pole is 80 yards (or 5 4 yards) high. 15. {} i i + 1 , 1 , 2 , 2
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16 . Vertex () 6 , 0 Intercepts ( ) ( ) 0 , 2 0 , 2 Opens down () 6 , 0 17 . () ( ) 14 3 2 3 + x x 18 . {} 1 ( ) 0 , 2 ( ) 0 , 2 19 . () 2 , 2 20 . , 2 1 4 7 , U 21 . a) Domain () ( ) , 0 0 , U b) Range [] 2 , 2 c) () 0 3 0 ) 3 ( = = f f 22. {} 18
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fall 05 key - MAT 1050 Final Exam Answer Key Fall 2005 2 2...

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