Find the domain of the rational expression.
A. {x|x is a real number and x ? 5}
B. {x|x is a real number and x ? 5 and x ? 8}
C. {x|x is a real number}
D. {x|x is a real number and x ? 8}
Answer: C
Mathematics
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Solve the problem.Find the length of the curve x = 
- 4 ln 
, 8 ? y ? 16.
A. 6 + 4 ln 2
B. 8 + 4 ln 2
C. 6 + 4 ln 
D. 8 + 4 ln 
Mathematics
Add.32 + 33 + 13
A. 87 B. 96 C. 78 D. 69
Mathematics
Find the absolute value.
A. 0 B. 0.002 C. 0.004 D. -0.002
Mathematics
Solve the equation by completing the square.8x2 + 7x = -2
A. 
B. 
C. 
D. 
Mathematics