The curve equation is
on interval
.
The starting point is
.
Length of the curve
on the interval
is
.

Apply derivative on each side with respect to
.



.
Length of the curve is
.
Substitute
.
Integrate between
to
. where
.



Apply formula:
.



.
.
(b)
\Graph:
\Graph the function:
on
.
Graph the length of the curve:
, where
.
.
(a)
,
.
(b)
\Graph:
\Graph the function:
on
.
Graph the length of the curve:
, where
.
.