Which of the following gives the volume of the solid found by rotating the region bounded by the curves y = 7 - x² and y = 3 about the line y = 0?
O ∫₋₂² π(4 - x²)²dx
O ∫₋₂² π[(7 - x²)2 - 9]dx
O ∫₋₂² π[(7 - x²) - 3]dx
O ∫₃⁷ 2πx(7 - x²)dx
O ∫₃⁷ 2πy√(4 - y)dy