Simplify the expression. Assume all variables represent nonnegative real numbers.y1/2 ? y2/3 ? y4/5
A. y59/30
B. y4/15
C. y1/4
D. y30/59
Answer: A
Mathematics
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Solve the equation.
= 
for 0° ? ? ? 90°
A. {20°} B. {150°} C. {90°} D. {10°}
Mathematics
Convert the function to the specified base. f(x) = log4x; convert to base e
A. f(x) = 
B. f(x) = 4 ln x
C. f(x) = 
D. f(x) = 
ln x
Mathematics
Solve the problem.Participants in a memorization experiment were able to recall an average of D digits in t minutes, where 
Estimate the number of digits recalled after 9 minutes.
A. 104 digits B. 44 digits C. 64 digits D. 84 digits
Mathematics
Graph the function.y = 2 cos 2?x
A. 
B. 
C. 
D. 
Mathematics