A parabolic reflector (paraboloid of revolution) is used by TV crews at football games to pick up
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A parabolic reflector (paraboloid of revolution) is used by TV crews at football games to pick up the referee’s announcements, quarterback signals, and so on. A microphone is placed at the focus of the parabola. If a certain reflector is 4 feet wide and 1.5 feet deep, where should the microphone be placed?
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We can draw the parabola used to form the reflector on a rectangular coordinate system so that ...View the full answer
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