![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The relation in figure is a function because each element in the domain corresponds to exactly one element in the range.
\The domain of the function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=70a6794f4a68652778836a869d64c888.png\")
.
The range of the function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=93f1696f0030b5ee846c0e3b3c1b51e8.png\")
.
More than one element in the domain to corresponds to the same element in the range is also represents a function.
\Notice that, for the given function Elvis and Colleen each born on ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cca7a333e5b91adaf6a19de823a37266.png\")
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The relation in figure is a function.
\The domain of the function is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=70a6794f4a68652778836a869d64c888.png\")
.
The range of the function is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=93f1696f0030b5ee846c0e3b3c1b51e8.png\")
.