Simplify the expression. Assume that all variables are positive when they appear.

A. 6y4 
B. 6x3y4 
C. 6x7y8 
D. 6x3y4 

Answer: D

Mathematics

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A. 3.70 million B. 4.92 million C. 3.16 million D. 4.11 million

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Integrate the given expression.

A.  + C
B. x6(x6 + 6)3/2 + C
C. (x6 + 6)3/2 + C
D. (x6 + 6)3/2 + C

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A. -1 B. 11 C. 1 D. 0

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Identify the intervals where the function is changing as requested.Increasing

A. (-2, 0) B. (3, ?) C. (3, 6) D. (-2, ?)

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