Find the Domain and Range of the Relation $[ - 40,20 ]$

question 139

Multiple Choice

Find the domain and range of the relation. Use interval notation where appropriate.

• A) domain: \([ - 40,20 ]\); range: \([ - 20,15 ]\)
• B) domain: \(\{ 0 , - 20 , - 40,20 \}\); range \(\{ - 20 , - 10,0,10,15 \}\)
• C) domain: \([ - 20,15 ]\); range: \([ - 40,20 ]\)
• D) domain: \(\{ - 20 , - 10,0,10,15 \}\); range \(\{ 0 , - 20 , - 40,20 \}\)

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Definitions:

Lumen

The interior space or cavity of a hollow organ or structure such as a blood vessel or intestine.

Organ

A group of tissues in a living organism that have been adapted to perform a specific function.

Scanning Objective

A lens system in microscopes used to achieve a high resolution image of a small area at high magnification.

Field Diameter

The overall size of the area visible through a microscope or telescope at a particular magnification.