\
Observe the graph
.
\
\
As
x
appoches
from left hand side
f
(
x
)
approches
to 2.
\
.
\
\
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=34be7fb067b94bd17e8baea5428d5408.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bf35df79f15f523cd49034249dbda4ae.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=21389f289a3c9c5a71197b906ed5545d.png\")
from left hand side f (x ) approches to 2.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ba70fe65a1c0c6691a949c88736bd86b.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ba70fe65a1c0c6691a949c88736bd86b.png\")
.