Simplify the expression. Assume that all variables represent positive numbers, so that no absolute value symbols are needed.
?
?
A. 
B. ?
C. ?
D. ?
Answer: D
Mathematics
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Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
? 4x
A. [7, ?)
B. (-?, 0] ? [5, 7)
C. (-?, 5] ? [7, ?)
D. [0, 5] ? [7, ?)
Mathematics
Find the derivative of y with respect to the appropriate variable.y = 10 sinh-1 (ln x)
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Find the measure of the angle.
?BGF
A. 140° B. 150° C. 135° D. 145°
Mathematics