Calculate 
.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
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Provide an appropriate response.Let f(x) = 
, x ? 1.(a) Find the area of the region between the graph of y = f(x) and the x-axis.(b) If the region described in part (a) is revolved about the x-axis, what is the volume of the solid that is generated?(c) A surface is generated by revolving the graph of y = f(x) about the x-axis. Write an integral expression for the surface area and show that the integral converges.(d) Use numerical techniques to estimate the area of the region in part (c), to an accuracy of at least two decimal places.
What will be an ideal response?
Evaluate the factorial expression.
A. 1 B. 800 C. 639,200 D. 799
Using a sum or difference identity, write the following as an expression involving functions of ?.sin (? + 2?)
A. -cos ?
B. 
cos ? - 
sin ?
C. 
cos ? + 
sin ?
D. sin ?
Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. x = -7
B. x = -49
C. x = 0, x = - 
D. Defined for all real numbers