The limit expression is
.
(a)
\



.
(b)
\Consider 

Apply L
Hospital
s Rule.
L
Hospital
s Rule: If
or
then
.





Therefore,
.
(c)
\Graph :
\Graph the function
.
.gif\")
Observe the graph :
\As
approaches to
from right hand side, the function approaches to
.
(a)
.
(b)
.
(c) Graph of the function
is
.