A searchlight is shaped like a paraboloid of revolution. If a light source is located 1 foot

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A searchlight is shaped like a paraboloid of revolution. If a light source is located 1 foot from the vertex along the axis of symmetry and the opening is 2 feet across, how deep should the mirror be in order to reflect the light rays parallel to the axis of symmetry?

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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