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Rationalizing Denominators
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Rationalizing Denominators
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0. Review of College Algebra / Rationalizing Denominators / Problem 4
Problem 4
For the following rational expression, determine its domain.
14/(a
2
+ 9a + 14)
A
(- ∞, - 7) ∪ (- 7, - 2) ∪ (- 2, 14) ∪ (14, ∞)
B
(- ∞, - 7) ∪ (- 7, - 2) ∪ (- 2, ∞)
C
(- ∞, 2) ∪ (2, 7) ∪ (7, 14) ∪ (14, ∞)
D
(- ∞, 2) ∪ (2, 7) ∪ (7, ∞)
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