Evaluate.dx 

A. 20
B. 36
C. 12
D. 18


Answer: A

Mathematics

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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines.y = 3x,y = 0,x = 2; revolve about the line x = -1

A. 4? B. 14 C. 14? D. 28?

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The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(2, ?)

A. increasing B. constant C. decreasing

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Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of chlorine dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship. Make a scatter diagram of the data. What is happening to the amount of chlorine in solution during this time frame?

A. The amount of chlorine dissolved 
increased as time elapsed.



B. The amount of chlorine dissolved 
increased as time elapsed.


C. The amount of chlorine dissolved 
increased as time elapsed.


D. The amount of chlorine dissolved 
decreased as time elapsed.


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Multiply or divide as indicated. Write the answer in lowest terms.  ? 

A.
B.
C. - 
D.

Mathematics