Chapter 7 Rational Functions - College of the Redwoods

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706 Chapter 7 Rational Functions 40. 41. 42. 43. 44. 45. 46. 3 x 2 + 5x − 14 + 3 x 2 − 7x − 98 3 x 2 − 7x − 98 + 3 x 2 − 15x + 14 6 x 2 + 11x + 24 − 6 x 2 + 13x + 40 9 x 2 + 13x + 40 − 9 x 2 − 3x − 40 7 x 2 + 13x + 30 + 7 x 2 + 19x + 90 9 x 2 + 19x + 90 + 9 x 2 + 7x − 18 7 x 2 − 6x + 5 + 7 x 2 + 2x − 35 8 x 2 + 2x − 35 + 8 x 2 + 8x + 7 2 x 2 − 4x − 12 − 2 x 2 − x − 30 2 x 2 − x − 30 − 2 x 2 − 4x − 45 4 x 2 + 6x − 7 − 4 x 2 + 2x − 3 4 x 2 + 2x − 3 − 4 x 2 + 5x + 6 9 x 2 + 3x − 4 + 8 x 2 − 7x + 6 4 x 2 − 7x + 6 + 9 x 2 − 10x + 24 47. Given f(x) = 2/x, simplify f(x) − f(3) . x − 3 State all restrictions. 48. Given f(x) = 5/x, simplify f(x) − f(2) . x − 2 State all restrictions. 49. Given f(x) = 3/x 2 , simplify f(x) − f(1) . x − 1 State all restrictions. 50. Given f(x) = 5/x 2 , simplify f(x) − f(2) . x − 2 State all restrictions. 51. Given f(x) = 7/x, simplify f(x + h) − f(x) . h State all restrictions. 52. Given f(x) = 4/x, simplify f(x + h) − f(x) . h State all restrictions. 53. Given f(x) = x + 1 3 − x , State all re- find and simplify f(1/x). strictions. Version: Fall 2007
Section 7.6 Complex Fractions 707 54. Given f(x) = 2 − x 3x + 4 , State all re- find and simplify f(2/x). strictions. 55. Given f(x) = x + 1 2 − 5x , State all re- find and simplify f(5/x). strictions. 56. Given f(x) = 2x − 3 4 + x , State all re- find and simplify f(1/x). strictions. 57. Given f(x) = x x + 2 , find and simplify f(f(x)). State all restrictions. 58. Given f(x) = 2x x + 5 , find and simplify f(f(x)). State all restrictions. Version: Fall 2007
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7 Rational Functions In this chapte
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Section 7.1 Introducing Rational Fu
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Section 7.2 Reducing Rational Funct
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Section 7.3 Graphing Rational Funct
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Page 111 and 112: Section 7.7 Solving Rational Equati
Page 131 and 132: Section 7.8 Applications of Rationa
Page 147 and 148: Section 7.9 Index 747 7.9 Index a a
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Chapter 7 Rational Functions - College of the Redwoods

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