The function are .
The denominator of f is zero when .
So, the domain of f is all real numbers except .
The domain of g is all real numbers.
The domain of f is all real numbers except and the domain of g is all real numbers.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=55b25276ea871ca254c52067ebbf83d9.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=538091cc8da124db61ebb014c8dd6dcb.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=538091cc8da124db61ebb014c8dd6dcb.png\")
.![\"\"](\"../../../userfiles/image/steps_images/solution.JPG\")
and the domain of g is all real numbers.