Identify the Domain and Range of a Function from Its $( - \infty , \infty )$

question 304

Multiple Choice

Identify the Domain and Range of a Function from Its Graph
Use the graph to determine the function's domain and range.
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• A) domain: \(( - \infty , \infty )\) range: \([ - 1 , \infty )\)
• B) domain: \([ - 2 , \infty )\) range: \([ - 1 , \infty )\)
• C) domain: \(( - \infty , \infty )\) range: \(( - \infty , \infty )\)
• D) domain: \(( - \infty , - 2 )\) or \(( - 2 , \infty )\) range: \(( - \infty , - 1 )\) or \(( - 1 , \infty )\)

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Definitions:

High Inflation

A situation where the general price level in an economy is increasing rapidly over a short period.

Consumer Price Index

An index that measures the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care.

Inflation

is the rate at which the general level of prices for goods and services is rising, and subsequently, purchasing power is falling.

Savings

Savings refer to the portion of income that is not spent on consumption but is set aside for future use, often in a bank account or other investment vehicle.