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ACCUPLACER
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Algebraic Domain Restrictions
Grade Level
ACCUPLACER
AAF.067 Algebraic Domain Restrictions
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What is the domain of y(x) = 1/((x - 2)sqrt(x
2
- 6x + 8))?
A
all real x except x = 2 and x = 4
B
(-∞, 2) ∪ (4, ∞)
C
(-∞, 2] ∪ [4, ∞)
D
[2, 4]
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