fall 07 key

Fall 07 key - 4 1 3 log 81 = 24 a 7 5 log 11 = b 4 1 33 log 11 = c 2 1 27 log 11 = 25 2 is the x intercept 26 Circle center(0-1 Radius 3 27 1 3 sin

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(3,0) y x (1,8) (-1,0) (0, 6) MAT 1050 Final Exam Answer Key Fall 2007 1. () 3 4 3 5 1 5 3 1 3 1 + + y 2. 11 5 4 16 a c b 3. 3 4. 3 5. {} 6. ] () [ ∞ , 11 19 , 7. Charles weighs 177.5 pounds. The boa weighs 22.5 pounds. 8. 9 12 = x y z 9. ) (( ) , 3 3 , 10. 22 11. 6 8 8 2 a a 12. 2 1 = x 13. 2 5 2 5 + = x y 14. The integers are 1, 3 and 5 or 11, 13 and 15. 15. { } i 2 1 , 0 ± 16. Vertex (1,8) Opens down

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(0,2) (0,-4) (-1,-3) 17. 2 2 + x 18. () 2 12 = f 19. {} ) [ ∞ , 5 0 20. ) [ 2 , 5 21. a) Domain () ( ) , 2 2 , b) Range {}[] 3 , 1 2 c) () 1 3 = f d) () 2 1 = f and () 2 1 = f 22. {} 64 23. a) () 2 10 log 10 = b) ( ) 2 25 log 5 1 = c) ()
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Unformatted text preview: 4 1 3 log 81 = 24. a) ( ) 7 . 5 log 11 = b) ( ) 4 . 1 33 log 11 = c) ( ) 2 . 1 27 log 11 = 25. ( ) , 2 is the x intercept 26. Circle, center (0, -1) Radius 3 27. ( ) ( ) ( ) 1 . 3 sin 1 . 3 cos cos < < − < − π 28. a) 9 8 radians b) 2 radians 29. a) 8 39 ) sin( = ∠ A b) 8 5 ) cos( = ∠ A c) 39 5 ) tan( = ∠ B 30. The speed of the current is 3 mph y x 2 1 3 3 -3 -3 2-2-2 1 -1 -1 4 4 -4 -4 5 5 -5 -5 6 6 -6 (-1,3)...
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Fall 07 key - 4 1 3 log 81 = 24 a 7 5 log 11 = b 4 1 33 log 11 = c 2 1 27 log 11 = 25 2 is the x intercept 26 Circle center(0-1 Radius 3 27 1 3 sin

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