(a)
\Statement :
\The rate of change is proportional to the difference between
and
.
.
(b)
\The direction field satisfies along
, but not along
The differential equation matches with the slope field .
(c)
\Verification :
\Graph the differential equation .
Graph :
\Observe the graph :
\The differential equation matches with the slope field .
(a) .
(b) The differential equation matches with the slope field .
(c) Graph:
\The differential equation matches with the slope field .