Find the domain of the rational function.f(x) = 
A. {x|x ? -1, x ? 1}
B. {x|x ? 0, x ? -1}
C. all real numbers
D. {x|x ? -1, x ? 1, x ? -2}
Answer: C
Mathematics
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A. -11 B. -53 C. 0 D. -36
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Perform the indicated operation.
? 
A. 
B. 
C. 
D. 
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Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 47
B. 
C. 
D. 412
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Convert the angle to degrees, minutes, and seconds.175.27°
A. 175°17'12" B. 175°16'12" C. 175°16'27" D. 175°14'27"
Mathematics