Add. Do not use a number line except as a check.-3 + (-9)

A. -6
B. -12
C. 12
D. 6

Answer: B

Mathematics

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Integrate the function.dx

A. (x2 + 6)3/2 -  + C
B.  -  + C
C. (x2 + 6)3/2 + tan-1  + C
D. (x2 + 6)3/2 - 6 + C

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Mathematics

Graph the function.y = 3 tan(4x)

A.

B.

C.

D.

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Mathematics

Solve.A recent advertisement claimed that 2 out of every 7 doctors recommend a certain herbal supplement to increase energy levels. If a local hospital employs 270 doctors, how many doctors would you expect to recommend the supplement? (Round your answer to the nearest whole number, if necessary.)

A. 77 doctors B. 39 doctors C. 3780 doctors D. 945 doctors

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Mathematics

Reduce the rational expression to lowest terms.

A.
B.
C. x + 6
D. x - 6

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Mathematics