Select the right expression for the following sum and prove that your statement is true for all natural numbers n.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 4
B. 2
C. 4
D. 2
Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 4
, y = 4, and x = 0 about the line y = 4
A. 
?
B. 
?
C. 
?
D. 8?
Estimate the value of the radical by using three iterations of the Newton-Raphson method with the indicated initial guess for the function. Round your answer to five decimal places, if necessary.
?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.If a ball is thrown upward at 64 feet per second from the top of a building that is 120 feet high, the height of the ball can be modeled by 
feet, where t is the number of seconds after the ball is thrown. After how many seconds does the ball reach its maximum height?
A. 4 sec B. 3.8 sec C. 2 sec D. 1 sec