![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The table is
\| \
Domain \ | \
\
Range \ | \
| 5 | \ \
4 \ | \
| 2 | \ \
8 \ | \
| \
─7 \ | \
\
9 \ | \
| \
2 \ | \
\
12 \ | \
| 5 | \14 | \
Express the relation as ordered pairs ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=89153dff3a24622c37623d5beb801db0.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=162ed7bf4805e09d34d2ad26fffcaf5d.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=583d2c6bcdab5b2d97b57437580b3278.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\")
This is not a function because 5 and 2 in the is paired with two range values 4,14 and 8,12.
\Therefore the relation is not a function.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
No.