![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
Observe the table:
\The set of ordered pairs are![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1642930e97a79c40576fcb0f31295143.png\")
.
Domain:
\The domain of the relation is the set of all first (![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8da2268e35b6b6daab9c47f71c4c8bf4.png\")
-coordinates) coordinates.
The domain of the relation is![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1bf7349573d11674d846486c87da0a3e.png\")
.
Range:
\The range of the relation is the set of second (![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b1f02a70f7489dd3b8742e9e1c94d6d0.png\")
-coordinates) coordinates.
The range of the relation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d6f6a00b246454e731e667f183ea1932.png\")
.
Function:
\Yes;
\Because each element of the domain is paired with one element of the range.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
One -to-one function:
\Yes;
\Each element of the domain is paired with exactly one element of the range.
\Onto function:
\Yes;
\Because each element of the range corresponds to an element of the domain.
\Therefore the relation is a function.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Yes; The relation is a function.