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

A.
B. 9x
C. x 
D.


Answer: A

Mathematics

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Solve the problem.Let D be the region that is bounded below by the cone  and above by the sphere  Set up the triple integral for the volume of D in spherical coordinates.

A.
B.
C.
D.

Mathematics

Solve the inequality. Express your answer using interval notation. Graph the solution set. < 54

A. (-?, 9)

B. (-9, 9)

C. (-?, -9) ? (9, ?)

D. (-9, 9)

Mathematics

Provide an appropriate response.Find the polar coordinates of a vector in standard notation that has polar coordinates of (1.2, 60°). Round to tenths.

A. (1.1, 0.4) B. (1.0, 0.6) C. (-1.1, -0.4) D. (0.6, 1.0)

Mathematics

Solve the logarithmic equation symbolically.log x5 = 4 + 2 log x

A. x = 5106
B. x = 106/5
C. x = 104/3
D. x = 

Mathematics