Simplify by taking the roots of the numerator and the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the inverse of the relation.{(-1, 5), (0, 5), (1, -8), (2, 9)}
A. {(5, -1), (0, -8), (1, 9)} B. {(5, -1), (9, -8), (1, 0)} C. {(-1, 9), (-1, -8), (1, 0)} D. {(5, -1), (5, 0), (-8, 1), (9, 2)}
Mathematics
Solve the differential equation.cos x 
+ y sin x = sin x cos x
A. y = cot x + C cos x
B. y = sin x ln 
+ C sin x
C. y = cos x ln 
+ C cos x
D. y = cos x ln 
+ C cos x
Mathematics
Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 4x
D. 
Mathematics
Find the unknown number in the proportion. Write your answer as a whole number or a mixed number if possible.
= 
A. x = 3
B. x = 1
C. x = 12
D. x = 
Mathematics