Write Down All the Subsets of the Given Set $\{ a \}$

question 43

Multiple Choice

Write down all the subsets of the given set.
- $\{ a \}$

• A) \(\varnothing , \{ a \}\)
• B) \(a\)
• C) \(\{ a , b \}\)
• D) \(\{ a \}\)

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Definitions:

Progressive

Referring to policies or tax rates that increase proportionally with the ability to pay, targeting a higher burden on wealthier entities or individuals.

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, often used to understand the sensitivity of demand in relation to price changes.

Excise Tax

A form of taxation applied on certain goods, services, or activities, often included in the price of products like gasoline, alcohol, and tobacco.

Incidence

The measurement or frequency of occurrence, often used in the context of the distribution of a tax burden.