![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Observe the mapping figure:
\The set of ordered pairs are![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=598426d4e80a6d84ac7d167ef5fad9b8.png\")
.
Domain:
\The domain of the relation is the set of all first (![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8da2268e35b6b6daab9c47f71c4c8bf4.png\")
-coordinates) coordinates.
The domain of the relation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=70a03bb3c030a777ab8a85673a2aaa28.png\")
.
Range:
\The range of the relation is the set of second (![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b1f02a70f7489dd3b8742e9e1c94d6d0.png\")
-coordinates) coordinates..
The range of the relation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=67f683983b4d507d17c6492dd33cb535.png\")
. \ \
Function:
\No;
\Because each element of the domain is not paired with one element of the range.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Yes; the relation is not a function. \ \