Give the Domain and Range of the Relation $$x = y ^ { 2 }$$

question 128

Multiple Choice

Give the domain and range of the relation.
- $$x = y ^ { 2 }$$

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

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Definitions:

Exchange Rates

The rate at which one currency can be exchanged for another, defining the relative value between two currencies.

Forward Rate

A term used in finance to describe the future exchange rate agreed upon in a forward contract, or the future interest rates as implied by the yield curve.

Foreign Currency

Currency used in a country other than one's own, often requiring exchange for domestic currency in international trade or finance.

Foreign Exchange Gain

A profit arising from a change in exchange rates when foreign currency holdings are valued at a higher rate.