![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The relation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=602ef52d144b650dbb94d0728e3859e6.png\")
.
Draw the figure for the given relation.
\![\"graph](\"/userfiles/47-57-22.gif\")
The relation is a function because each element of the domain is paired with exactly one element of the range. \ \
The domain of the function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=578f5cab6233bef5bea18d742e43a660.png\")
.
The range of the function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=688274151e4a9adffc78e3d3304c18cd.png\")
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The relation is a function.
\The domain of the function is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=578f5cab6233bef5bea18d742e43a660.png\")
.
The range of the function is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=688274151e4a9adffc78e3d3304c18cd.png\")
.