List the Elements of the Set $\mathrm { A } \cup \mathrm { B } \text {. }$

question 192

Multiple Choice

List the elements of the set.
-If A={21,23,24,25,28} and B={21,23,24,25} , list the elements of $\mathrm { A } \cup \mathrm { B } \text {. }$

• A) {28}
• B) {21,23,24,25}
• C) \(\phi\)
• D) {21,23,24,25,28}

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Definitions:

Fixed Basket

A set of goods and services whose quantities are fixed, used for calculating measures like the Consumer Price Index (CPI) to assess changes in the cost of living over time.

COLA

Cost of Living Adjustment, an increase in income to match rising prices in an attempt to maintain a person's standard of living.

CPI

The Consumer Price Index is an indicator that calculates the average weighted prices of a range of consumer goods and services, serving as a gauge for inflation.

CPI

The Consumer Price Index is a metric that calculates the average prices of a selected group of consumer goods and services, such as healthcare, transportation, and food, using a weighted average system.