Simplify the expression. Assume that all variables are positive when they appear.
? 
A. 
B. 
C. 
D. 255xy
Answer: B
Mathematics
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Evaluate the cylindrical coordinate integral.
A. 1836 B. 14,076 C. 7956 D. 1224
Mathematics
For the graph of a circular function y = f(x), determine whether f(-x) = f(x) or f(-x) = -f(x) is true.
A. f(-x) = -f(x) B. f(-x) = f(x)
Mathematics
Find the limit or state that it does not exist.
A. 8 B. 16 C. 1 D. Does not exist
Mathematics
Use the summation properties to evaluate the series. The following rules may be needed: 
. 
A. 57 B. 51 C. 39 D. 63
Mathematics