The curve is
.
Observe the graph, the interval of
is
.
Definition of the arc length:
\If the curve
,
, then the length of the curve is defined as,
.
Find
.
Consider
.
Apply derivative on each side with respect to
.

.
Arc length of the curve
:
Substitute
and
in
.




.
Arc length of the graph in the indicated interval is
units.
Arc length of the graph in the indicated interval is
units.