Write an Equation for the Function That Is Described by the Given

question 172

Multiple Choice

Write an equation for the function that is described by the given characteristics. ​
A cosine curve with a period of π, an amplitude of 6, a left phase shift of π, and a vertical translation down units.
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Definitions:

Flexible Exchange Rates

A system under which the value of a country's currency is allowed to fluctuate according to the foreign exchange market.

International Value

The worth or significance of goods, services, or assets on a global scale, often influenced by exchange rates and international trade.

Terms Of Trade

The rate at which units of one product can be exchanged for units of another product; the price of a good or service; the amount of one good or service that must be given up to obtain 1 unit of another good or service.

Balance Of Payments

A summary of all the financial transactions that take place between the individuals, firms, and governmental units of one nation and those of all other nations during a year.