![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2fa82282a0306b43a374a52bd9f838d8.png\")
.
All possible values of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8da2268e35b6b6daab9c47f71c4c8bf4.png\")
is the domain of the function.
The denominator of a rational function is can not be zero.
\To find the exceptions of the function values equate denominator to zero.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c5c016a7fdda1ee1a1012dd4b00d7ee5.png\")
This is will be true for all values of .
Therefore, the domain of a function ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=64aabf38c06b548755a3ca9d8d3b51ae.png\")
is set of all real numbers.
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The domain of a function is set of all real numbers.