Chapter 7 Rational Functions - College of the Redwoods

674 Chapter 7 Rational Functions
55.
56.
x + 3
x 2 + 4x − 12
x − 4
x 2 − 36
x + 3
x 2 − x − 2 ÷ x
x 2 − 3x − 4
61. Let
and
f(x) = x2 + 12x + 35
x 2 + 4x − 32
g(x) = x2 − 2x − 35
x 2 + 8x
Compute f(x)/g(x) and simplify your answer.
57.
58.
59. Let
and
x 2 − 11x + 28
x 2 + 5x + 6 ÷ 7x2 − 30x + 8
x 2 − x − 6
x − 7
3 − x
2x 2 + 3x − 5
x 2 − 12x + 27
f(x) = x2 − 7x + 10
x 2 + 4x − 21
g(x) =
5x − x 2
x 2 + 15x + 56
Compute f(x)/g(x) and simplify your answer.
60. Let
and
f(x) = x2 + 15x + 56
x 2 − x − 20
g(x) = −7 − x
x + 1
Compute f(x)/g(x) and simplify your answer.
62. Let
and
f(x) = x2 + 4x + 3
x − 1
g(x) = x2 − 4x − 21
x + 5
Compute f(x)/g(x) and simplify your answer.
63. Let
and
f(x) = x2 + x − 20
x
g(x) =
x − 1
x 2 − 2x − 35
Compute f(x)g(x) and simplify your answer.
64. Let
and
f(x) = x2 + 10x + 24
x 2 − 13x + 42
g(x) = x2 − 6x − 7
x 2 + 8x + 12
Compute f(x)g(x) and simplify your answer.
Version: Fall 2007