Perform the Indicated Operation $( 3 \mathrm { i } ) ( 7 \mathrm { i } )$

question 215

Multiple Choice

Perform the indicated operation. Write the result in the form a + bi.
- $( 3 \mathrm { i } ) ( 7 \mathrm { i } )$

• A) \(21 \mathrm { i }\)
• B) 21
• C) \(- 21 \mathrm { i }\)
• D) \(- 21\)

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Definitions:

Operating Leverage

A measure of how sensitive a company's operating income is to changes in revenue, indicating the degree of fixed versus variable costs.

Fiscal Policy

Government policies regarding taxation and spending to influence the economy.

Monetary Policy

The actions of a central bank, currency board, or other regulatory committee that determine the size and rate of growth of the money supply, which in turn affects interest rates.

Inflation

A rise in prices and a decrease in the purchasing power of money over time.