![\"\"](\"/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 {Less than 9th grade, 9th-12th grade, High School Graduate, Some College, College Graduate}.
\The range of the function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7def4d398e67a56f2542c1b6f89db137.png\")
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The relation in figure is a function.
\The domain of the function is {Less than 9th grade, 9th-12th grade, High School Graduate, Some College, College Graduate}.
\The range of the function is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7def4d398e67a56f2542c1b6f89db137.png\")
.