The function is .
Graph of the function :
Observe the graph :
\End behavior of the graph:
\ and
.
Support numerically :
\Construct a table that shows the values to investigate the function values as of increases.
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
Observe the table:
\As tends to
,
approaches
and as
tends to
,
approaches to
.
End behavior : and
.
Graph of the function :
End behavior : and
.