The Word "Null" Is Used to Indicate That a Function

question 25

True/False

The word "null" is used to indicate that a function returns no data.

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Definitions:

Elastic Demand

A situation where the quantity demanded of a product changes significantly when its price changes.

Inelastic Demand

A situation where the demand for a product does not change significantly in response to a change in its price.

Income Elasticity

A measure that shows how a change in income affects the demand for a good or service.

Recession

A significant decline in economic activity spread across the economy, lasting more than a few months, visible in real GDP, real income, employment, industrial production, and wholesale-retail sales.