Find the volume of the solid generated by revolving the region about the given line.The region in the second quadrant bounded above by the curve y = 9 - x2, below by the x-axis, and on the right by the y-axis, about the line x = 1
A. 
?
B. 
?
C. 
?
D. 
?
Answer: C
Mathematics
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An initial investment of $545.45 declines at a rate of 5 percent per year. What is the value of the investment after 3 years? Round your answer to the nearest cent. ? ?
A. $572.72 B. $81.82 C. $467.66 D. None of the above
Mathematics
Find the limit.
A. 0 B. -? C. ? D. 1
Mathematics
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, y-intercept: 
;
B. No x-intercepts, y-intercept: 
;
C. No x-intercepts, y-intercept: 
;
D. No x-intercepts, y-intercept: 
;
Mathematics
Solve. Round to the nearest percent if necessary.A company increased the number of its employees from 110 to 132. What was the percent of increase?
A. 120% B. 22% C. 20% D. 17%
Mathematics