A searchlight is constructed in the shape of a paraboloid with a depth of 7 inches and
Question:
A searchlight is constructed in the shape of a paraboloid with a depth of 7 inches and a diameter of 20 inches, as illustrated in the figure. Determine the distance d that the bulb should be from the vertex in order to have the beam of light shine straight ahead.
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Related Book For 
College Algebra With Modeling And Visualization
ISBN: 9780134418049
6th Edition
Authors: Gary Rockswold
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