![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The relation is,
\![\"\"](\"/userfiles/image/Library/functionpa77_p12.gif\")
Express the relation as ordered pairs ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2f1897926c9d2ef091cf881b54525cba.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 \ | \
| \
-1 \ | \
\
2 \ | \
| \
-1 \ | \
\
-1 \ | \
| \
5 \ | \
\
4 \ | \
| \
5 \ | \
\
-3 \ | \
![\"\"](\"/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=54d3b00960555d7596ecf0be1d7ac5bc.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=468ccf6f4856c5d540bcbbffd19ebf13.png\")
.![\"\"](\"/userfiles/image/steps_images/step3.JPG\")
Each element of the domain is paired with exactly one element of the range.
\Yes the relation is a function.
\![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
Yes the relation is a function.