Consider the Function $$y = \cos 3 x$$ Specify the Period

question 11

Multiple Choice

Consider the function $$y = \cos 3 x$$ . Specify the period.

• A) \[\frac { \pi } { 3 }\]
• B) \[\frac { 2 \pi } { 3 }\]
• C) \[\frac { 6 \pi } { 7 }\]
• D) \[2 \pi\]
• E) \[- \frac { 2 \pi } { 3 }\]

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Definitions:

Unemployment Rate

The rate at which individuals in the labor force are unemployed and actively looking for a job.

Disinflation

A decrease in the rate of inflation, indicating a slowdown in the rate at which prices for goods and services are rising.

Nominal Interest Rates

The reported percentage rate without adjusting for the inflation rate, reflecting the cost of borrowing money.

Unemployment

The situation where individuals who are able and willing to work are unable to find a job, expressed as a percentage of the labor force.