Solve.Find the surface area of the cone frustum generated by revolving the line segment ,  , about the y-axis.

A. 64?
B. 62?
C. 65?
D. 69?


Answer: A

Mathematics

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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 10) sin x

A. sin x ln (x + 10)
B. cos x ln (x + 10) +  
C.  (x + 10) sin x
D. (x + 10) sin x

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Find the linearization of the function at the given point.  at  

A.
B.
C.
D.

Mathematics

Solve the equation.4x - (3x - 1) = 2

A. - 
B.  
C. 1
D. - 1

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Determine the value or values that are excluded from the following expression.

A. -5, -1,  , 5
B. -5, 5
C. -1,  
D. - , 1

Mathematics