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A Parabolic Reflector Is Used by a Sports Broadcast Engineer

Question 113

Multiple Choice

A parabolic reflector is used by a sports broadcast engineer to amplify the conversations between football players on the field. If the reflector has the shape x = 5y2, where should the microphone be placed?


A) A parabolic reflector is used by a sports broadcast engineer to amplify the conversations between football players on the field. If the reflector has the shape x = 5y<sup>2</sup>, where should the microphone be placed? A) units to the right of the focus of the reflector B) units to the right of the vertex of the reflector C) 20 units to the right of the focus of the reflector D) 10 units to the right of the vertex of the reflector units to the right of the focus of the reflector
B) A parabolic reflector is used by a sports broadcast engineer to amplify the conversations between football players on the field. If the reflector has the shape x = 5y<sup>2</sup>, where should the microphone be placed? A) units to the right of the focus of the reflector B) units to the right of the vertex of the reflector C) 20 units to the right of the focus of the reflector D) 10 units to the right of the vertex of the reflector units to the right of the vertex of the reflector
C) 20 units to the right of the focus of the reflector
D) 10 units to the right of the vertex of the reflector

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