Decide Whether the Given Set of Numbers Is a Group

question 139

Multiple Choice

Decide whether the given set of numbers is a group under the given operation.
-Integers; addition

• A) Yes
• B) No

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Definitions:

Government Act

A piece of legislation that has been passed by a legislative body, such as a parliament or congress, and formally enacted into law.

Phillips Curve

A theoretical inverse relationship between rates of unemployment and corresponding rates of inflation, suggesting that inflation rises as unemployment falls, and vice versa.

Aggregate Demand

The aggregate demand for every good and service within a certain economy or market.

Long-run Phillips Curve

A concept suggesting that in the long term, there is no trade-off between inflation and unemployment, implying the curve is vertical at the natural rate of unemployment.