A Parabolic Reflector Is Used by a Sports Broadcast Engineer

question 96

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 = 4y², 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) 16 units to the right of the focus of the reflector
• D) 8 units to the right of the vertex of the reflector

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