Graph the Function and Write the Domain and Range in Interval

question 298

Multiple Choice

Graph the function and write the domain and range in interval notation.
- $$f ( x ) = \left( \frac { 2 } { 5 } \right) ^ { x }$$

• A) Domain: \(( - \infty , \infty )\) Range: \(( 0 , \infty )\) Range: \(( 0 , \infty )\)
• B) Domain: \(( 0 , \infty )\) Rane: \(( - \infty , \infty )\)
• C) Domain: \(( - \infty , \infty )\) Range: \(( 0 , \infty )\)
• D) Domain: \(( 0 , \infty )\) Range: \(( - \infty , \infty )\)

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Definitions:

Wage Earner's

Individuals whose income is derived primarily from their employment salary or wages.

Family Composition

The makeup or structure of a family, including the number of members, their relationships to each other, and their roles within the family unit.

Mean Household Income

The average income per household within a specified geographic location, calculated by dividing the total income of all households by the number of households.

Income Distribution

The way in which a nation’s total earnings are spread among its population, affecting economic inequality.