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) 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

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Definitions:

Premium, Discount, or Par

A classification to describe if a bond is trading above (premium), below (discount), or at its face value (par).

Market Rate

The ongoing market rate at which you can buy or sell an asset or service.

Contract Rate

The interest rate stated in a loan or lease agreement, dictating the rate at which interest accrues on the outstanding principal.

Bond Premium

The excess of a bond's market price over its principal amount or nominal value.