![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The relation is
\Express the relation as ordered pairs.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7a15329e358c491936bd9998935de1af.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 \ | \
| \
9 \ | \
\
18 \ | \
| \
0 \ | \
\
36 \ | \
| 6 | \21 | \
| 6 | \22 | \
![\"\"](\"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=b49ac4eef3d8e9c728afaba20683c333.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=fcabcee815ae8f20bb22e56d335cb045.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\")
This is not a function because 6 in the domain is paired with two range values,21 and 22.
\Therefore the relation is not a function.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
No.