Solve the problem.A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line 
about the y-axis. Find the volume of the cylinder.
A. ?rh
B. 2?r2h
C. ?rh2
D. ?r2h
Answer: D
Mathematics
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Write the geometric series in summation notation.9 + 27 + 81 + 243 + 729
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations.25x2 + 81y2 = 20259y - 5x = 45
A. (0, -9), (5, 0) B. (0, 5), (-9, 0) C. (0, 9), (0, -5) D. (0, -5), (9, 0)
Mathematics
Match the graph to the function listed whose graph most resembles the one given.
A. square function B. square root function C. reciprocal function D. absolute value function
Mathematics
Find the domain and range of the function represented in the graph.
A. Domain: [-3, 2) ; Range: [-2, 3) B. Domain: (-?, 3 ]; Range: (2, ?) C. Domain: (-3, 2 ]; Range: (-2, 3] D. Domain: [-2, 3); Range: [-3, 2)
Mathematics