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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Definitions:

Federal Spending

Federal spending refers to the government's expenditure on goods, services, and public projects, financed by taxes and borrowing.

Federal Government

The national government of a federal country, such as the United States, which shares power with state and local governments.

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A political protest by the American colonists against Great Britain in 1773, where they destroyed an entire shipment of tea sent by the East India Company in defiance of British tea taxes.

Marginal Tax Rate

The marginal tax rate is the rate at which the last dollar of a taxpayer's income is taxed, indicating the rate of tax that applies to each additional dollar of taxable income.