![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The relation is,
\![\"\"](\"/userfiles/image/Library/functionpa77_p13.gif\")
Express the relation as ordered pairs. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c3aa85d9f64c2ccc6c235a9315968bce.png\")
Draw a table with two columns and list the x-coordinates in the first column
\and y-coordinates in the second column.
\| \
x \ | \
\
y \ | \
| \
-8 \ | \
\
0 \ | \
| \
-4 \ | \
\
0 \ | \
| \
0 \ | \
\
0 \ | \
| \
4 \ | \
\
0 \ | \
![\"\"](\"/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=d840b83ed181e95b6b590c047f98e88b.png\")
The range of the relation is the set of first (y-coordinates) coordinates.
\The range of the relation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=184f49b2ec3e54ee1c42264b32b7e8a9.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The relation is not a function.