![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The functions are ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=de98cfbeca264b12069ff671c21f2e32.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=89b97f30427a856718c645fb591f2e1c.png\")
.
The composite function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9d40534af298c56679de331425765797.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ae0792b8ecf0a6ea126af1418896bf04.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=baf26a674a28e7068b9963373d98bfef.png\")
.
The domain of a function is all possible values of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8da2268e35b6b6daab9c47f71c4c8bf4.png\")
.
The denominator of the function should not be zero.
\The value in the square root cannot be negative.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8fe873758163a3e8348ba871b7ff58a3.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e6b361b18cd0028376c16e227c672b30.png\")
The domain of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7638897a5bb9204998d7996637c7b50a.png\")
is set of all positive real numbers ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c2c96293da1ea9cd2e8fb0813307cc47.png\")
.
The function is continuous at all real numbers greater than one. ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The function is continuous at all real numbers greater than one.