![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3bc5a08dd72b93ce61591926dc9ada47.png\")
.
Table of the above expression.
\\
| \
x \ | \
\
1 \ | \
\
2 \ | \
3 | \ \
4 \ | \
| \
y \ | \
\
3 \ | \
\
6 \ | \
3 | \ \
7 \ | \
\
\
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
The domain is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=162107273e6db9db1904243df32051c2.png\")
and the range is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=24b1726ab76fb453366a0af7cf45475c.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The domain is and the range is .