An Equation That Defines Y as a Function of X $$8 x + 5 y = 7$$

question 521

Multiple Choice

An equation that defines y as a function of x is given. Rewrite the equation using function notation f(x) .
- $$8 x + 5 y = 7$$

• A) \(f ( x ) = 8 x - 7\)
• B) \(f ( x ) = - \frac { 8 } { 5 } x + \frac { 7 } { 5 }\)
• C) \(f ( x ) = \frac { 8 } { 5 } x + \frac { 7 } { 5 }\)
• D) \(f ( x ) = \frac { 8 } { 5 } x - \frac { 7 } { 5 }\)

---

Definitions:

Economy

An area of the production, distribution, and trade of goods and services by different agents in a particular geographic region.

Ability-to-pay Taxation

A principle of taxation based on the belief that taxes should be levied according to an individual’s or entity’s capacity to pay, reflecting their income or wealth.

Progressive Tax Structure

A tax system in which the tax rate increases as the taxable amount increases, typically designed to distribute the tax burden more heavily on those with higher incomes.

High-income Receivers

Individuals or entities that receive a significantly higher amount of income compared to the median or average levels within a society or economic system.