Find the domain of the rational expression. 
A. {x|x is a real number and x ? 0}
B. {x|x is a real number and x ? 0 and x ? -1 and x ? 4}
C. {x|x is a real number and x ? 0 and x ? -4 and x ? 1}
D. {x|x is a real number and x ? -4 and x ? 1}
Answer: C
Mathematics
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A. - 
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