Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve   about the x-axis. 

A. 378.08
B. 189.04
C. 324.07
D. 265.13

Answer: D

Mathematics

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Write the exponential expression with positive exponents. Simplify if possible.

A. 644/3 = 256
B. 64-4/3 = - 
C. -644/3-256
D. 64-4/3 = 

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Mathematics

Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.24xy - 7y2 + 36 = 0

A. ? = 36.9°
  -  = 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±3)
B. ? = 36.9°
 -  = 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
C. ? = 36.9°
 -  = 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ± )
D. ? = 53.1°
 -  = 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)

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Mathematics

Provide an appropriate response.When a check stub is completed, the balance from the previous check should be brought forward; any deposits are added and the check amount is deducted to arrive at the new balance.

A. True B. False

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Mathematics

Write an equation for the piecewise function.

A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 

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Mathematics