(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
.