Simplify the expression. Assume all variables represent positive real numbers.

A. 4x2
B. 4xy2
C. 4xy
D. 4x

Answer: D

Mathematics

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Integrate the given expression.

A. t3/2 + t5/2 + C
B. t3/2 + t2 + C
C. 2t3/2 + t5/2 + C
D. 3t3/2 + t5/2 + C

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Mathematics

Solve the equation. -  = 3

A. {3, 8} B. {-2} C. {2, 38} D. {2}

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Mathematics

Establish the identity.sec = -csc u

What will be an ideal response?

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Mathematics

Rewrite the ratio as a ratio of natural logarithms and simplify.

A.
B. 22
C. ln 3
D. 3

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Mathematics