Determine Whether the Linear Equation Defines $y$ To Be a Function Of

question 62

Multiple Choice

Determine whether the linear equation defines $y$ to be a function of $x$ . If so, find the domain and range. $y = \frac { 1 } { 3 } x - 1$

• A)domain: \(( - \infty , 0 )\) ; range: \(( 0 , \infty )\)
• B)domain: \(( 0 , \infty )\) ; range: \(( - \infty , \infty )\)
• C)domain: \(( - \infty , \infty )\) ; range: \(( - \infty , \infty )\)
• D)domain: \(( - \infty , \infty )\) ; range: \(( 0 , \infty )\)
• E) \(y\) is not a function of \(x\)

---

Definitions:

Autarky

An economic policy or situation in which a nation is self-sufficient and does not engage in international trade.

International Trade

The exchange of goods and services across international borders, allowing countries to expand markets for both imports and exports.

Producer Surplus

A reiteration emphasizing the financial gain producers experience when the market price exceeds their minimum acceptable price for selling a good or service.

Consumer Surplus

The divergence in consumers' maximum willingness to pay and the actual payment for a good or service.