Simplify the complex rational expression.

A.
B.
C.
D. 18x4


Answer: D

Mathematics

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B. ?
C. 16?
D. ?

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Add or subtract. Assume that variables represent nonnegative values. - 

A. -14
B. -16
C. -2
D. 8

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Express the complex number in trigonometric form.-6i Express your answer in degrees.

A. 6(cos 270° + i sin 270°) B. 6(cos 90° + i sin 90°) C. 6(cos 0° + i sin 0°) D. 6(cos 180° + i sin 180°)

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Use logarithmic identities to complete the following. Writelog3(9x7) in terms of log3x.

A. 6 + 7log3x B. 2 + 7log3x C. 2x + 7 D. 7 + 2log3x

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