Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 5 feet from the base along the axis of symmetry and the opening is 14 feet across, how deep should the searchlight be?

A. 0.9 ft
B. 12.3 ft
C. 2.5 ft
D. 9.8 ft


Answer: C

Mathematics

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