winter 05 key

# winter 05 key - 2 9 log 3 1 − = c 5 2 log 5 2 = 24 a 2.6...

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MAT 1050 Final Exam Answer Key Winter 2005 1 . () 3 2 2 3 1 2 3 1 5 3 2 4 7 5 3 + + + + x z 2. z 3. 144 49 4 . 8 5 . {} 6. [] 4 , 1 7 . Mix 10 liters of solution A with 25 liters of solution B. 8. 3 2 = p q 9 . , 3 5 3 5 , U 10 . 16 1 11 . 1 2 + b a 12 . 3 = x 13 . 2 5 2 1 = x y 14 . The area of the rectangle is 10 square units. 15 . {} i ± 1 , 0 ( 3 , 0 ) 16. Vertex () 8 , 1 Intercepts () ( )( ) 0 , 3 0 , 1 6 , 0 Opens up (-1,0) ( 0 , - 6 ) ( 1 , - 8 ) y x

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17. () ( ) () 1 4 3 2 1 2 + + x x x 18 . {} 2 19 . () ( ) 2 , 0 0 , U 20 . , 2 1 4 7 , U 21 . a) Domain () ( ) ( ) , 2 2 , 2 2 , U U b) 1 ) 0 ( = f c) () ( ) 1 3 , 1 0 , 1 ) 3 ( = = = f f f 22 . () 0 81 = f 23 . a) () 3 1 2 log 8 = b) ()
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Unformatted text preview: 2 9 log 3 1 − = c) ( ) 5 2 log 5 2 = 24. a) 2.6 b) -0.3 c) 1.45 25 . { } 8 26 . Center ( ) , Hyperbola – opens up/down 27. ( ) ( ) 3 5 . 1 sin 5 . 1 cos 8 sin π < < < − 28 . a) 6 2 radians b) 12 7 − radians 29 . a) ( ) 65 7 sin = ∠ B b) ( ) 65 4 cos = ∠ B c) ( ) 7 4 tan = ∠ A 30 . The bug’s initial speed is 3 inches/second. y x...
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winter 05 key - 2 9 log 3 1 − = c 5 2 log 5 2 = 24 a 2.6...

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