The equation of the path is
.
(a)
\Graph the function:
.
(b) What are the slopes of this path when
and
.
The slope of the path is
.
The equation of the path is
.
Apply derivative on each side with respect to
.










.
The slope of the path is
.
Substitute
.




.
The slope of the path when
is
.
The slope of the path is
.
Substitute
.


.
The slope of the path when
is
.
(c) What does the slope of the path approach as
.

.
.
The slope of the path approach as
is
.
(a)
\Graph the function:
.
(b)
\The slope of the path when
is
.
The slope of the path when
is
.
(c)
\
.
The slope of the path approach as
is
.