Give the Domain and Range of the Relation $( - \infty , - 2 ) \cup ( - 2 , \infty )$

question 127

Multiple Choice

Give the domain and range of the relation.
-

• A) domain: \(( - \infty , - 2 ) \cup ( - 2 , \infty )\); range: \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• B) domain: \(( - \infty , \infty )\); range: \(( - \infty , \infty )\)
• C) domain: \(( - \infty , 0 ] \cup [ 0 , \infty )\); range: \(( - \infty , - 2 ] \cup [ - 2 , \infty )\)
• D) domain: \(( - \infty , 0 ) \cup ( 0 , \infty )\); range: \(( - \infty , - 2 ) \cup ( - 2 , \infty )\)

---

Definitions:

Expected Value

A calculation in statistics that quantifies the average outcome of a random event over a large number of occurrences.

Mean

The average value of a set of numbers, calculated by dividing the sum of all values by the number of values.

Risk Aversion

A preference for safer investments, avoiding risk even at the expense of lower potential returns.

Risky Securities

Financial instruments that carry a high level of risk, offering the potential for higher returns in exchange for greater likelihood of loss.