Determine Whether the Equation Defines Y as a Function of X

question 48

Multiple Choice

Determine whether the equation defines y as a function of x.
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• A)function
• B)not a function

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Definitions:

U.S. Dollar

The official currency of the United States, widely used as a benchmark in international trade and considered a key global reserve currency.

Flexible Exchange-Rate System

A currency valuation system where the value of a currency is allowed to fluctuate in response to foreign exchange market mechanisms.

Foreign-Exchange Reserves

Stockpiles of foreign currencies maintained by a nation’s central bank. Obtained when the central bank sells local currency in exchange for foreign currency in the foreign exchange market.

Terms of Trade

This refers to the ratio at which a country's exports are exchanged for its imports, influencing the country's economic health.