(c)
When
the solution increases with a limiting value of -1 as
tends to
.
![[Maple Math]](images/exam1-soln64.gif){kind=small}
the solution increases with a limiting value of -1 as
![[Maple Math]](images/exam1-soln65.gif){kind=small}
tends to
![[Maple Math]](images/exam1-soln66.gif){kind=small}
.
the solution increases with a limiting value of -1 as
tends to
.