Give the Domain and Range of the Relation $x y = - 7$

question 380

Multiple Choice

Give the domain and range of the relation.
- $x y = - 7$

• A) domain: \(( - \infty , 0 ) \cup ( 0 , \infty )\); range: \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• B) domain: \([ 0 , \infty )\); range: \(( - \infty , \infty )\)
• C) domain: \(( - \infty , \infty )\); range: \(( - \infty , \infty )\)
• D) domain: \(( - \infty , 0 ) \cup ( 0 , \infty )\); range: \([ 0 , \infty )\)

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Definitions:

Total Amount

The entire quantity or sum of an item, measurement, or value, not excluding any part.

Purely Competitive Market

A market characterized by many buyers and sellers, homogeneous products, free entry and exit, and perfect information, leading to price determination by market forces.

Agricultural Commodity

Basic goods used in commerce that are interchangeable with other goods of the same type, such as grains, beef, or milk, primarily produced through farming activities.

Quantity Demanded

The complete volume of a good or service that consumers are prepared and able to buy at a certain price point.