Domain and range of a function(III)

http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/Domainrange3MD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/Domainrange3MD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/Domainrange3MD.html[/url]
– Daniel Mentrard

Information: Domain and range of a function(III)