Write the Word or Phrase That Best Completes Each Statement $$f ( x ) = 4 x \cos x ; x = \frac { \pi } { 2 }$$

question 55

Short Answer

Write the word or phrase that best completes each statement or answers the question.
Find the derivative of the function at the given value of x using a graphing utility. If necessary, round to four decimal
places.
- $$f ( x ) = 4 x \cos x ; x = \frac { \pi } { 2 }$$

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Definitions:

Market Economies

Economic systems where decisions on production, investment, and distribution are based on supply and demand, and prices of goods and services are determined in a free price system.

Price

The fund amount deemed necessary, expected, or allocated for a service or good.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a specific price point, at a given time.

Price Falls

A situation where the cost of goods or services decreases, often reflecting changes in supply and demand.