5. Find the volume of the solid generated by rotating the circle x² + (y - 9)² = 36 about the x-axis. (A) 324π² (B) 108π² (C) 648π (D) 108π (E) 648π²

5. Find the volume of the solid generated by rotating the circle x² + (y - 9)² = 36 about the x-axis.
(A) 324π²
(B) 108π²
(C) 648π
(D) 108π
(E) 648π²

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1. The rate of depreciation of a machine is inversely proportional to the square of t + 2, where V is the value of the machine t years after it was purchased. The initial value of the machine was $500,000, and its value decreased $100,000 in the first year. Estimate its value after 6 years. Round your answer to the nearest integer. (A) $500,000 (B) $275,000 (C) $550,000 (D) $475,000 (E) $350,000

5. Find the volume of the solid generated by rotating the circle x² + (y - 9)² = 36 about the x-axis.
(A) 324π²
(B) 108π²
(C) 648π
(D) 108π
(E) 648π²

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