![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The table is
\| \
Domain \ | \
\
Range \ | \
| \
| \
\
| \
| \
| \
\
1 \ | \
| \
0 \ | \
\
2 \ | \
| \
3 \ | \
\
1 \ | \
Express the relation as ordered pairs ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=624cfd0f89ee0ce42cc4b3746e3fff01.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
The domain of the relation is the set of all first (x-coordinates) coordinates.
\The domain of the relation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ed387e5f676a0e3aee9a920a83d9c92.png\")
.
The range of the relation is the set of second (y-coordinates) coordinates.
\The range of the relation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=10458173d586ab3c7a652ef8cefc9a34.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\")
Each element of the domain is paired with exactly one element of the range.
\Therefore the relation is a function.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Yes.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3ea6da5ad035c76c5fa4c88cf6268e03.png\")
4![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a7c2df64d66b9c777508f812357d67ce.png\")
2![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3ea6da5ad035c76c5fa4c88cf6268e03.png\")