The reflector of a flashlight is in the shape of a paraboloid of revolution. Its diameter is

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The reflector of a flashlight is in the shape of a paraboloid of revolution. Its diameter is 4 inches and its depth is 1 inch. How far from the vertex should the light bulb be placed so that the rays will be reflected parallel to the axis?

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Apr 01, 2019 10:48 AM

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The reflector of a flashlight is in the shape of a paraboloid of revolution. Its diameter is

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Set up the problem so that the vertex of the parabola is at 0 0 and it opens ...View the full answer

Precalculus

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