\
\
(a)
\Observe the graph.
\At
, the function is
units above
axis.
Therefore the point
lies on the graph
.
Hence,
.
(b)
\Observe the graph.
\At
,the function is located
units below
axis.
Therefore the point
lies on the graph
.
Hence,
.
\
(c)
\Find the value of
where the graph
.
Observe the graph.
\
at
and
.
Hence,
and
.
(d)
\Find the value of
where the graph
.
Observe the graph.
\
at
.
Hence,
.
(e)
\The domain of
consists of all values of
on the graph of
.
is defined for
.
The domain of
is
.
The range of
consists of all values of
on the graph of
.
takes all the value from
to
.
The range of
is
.
(f)
\Observe the graph.
\
increases for all the values of
between 
increases on the interval
.
\
(a)
.
(b)
.
(c)
and
.
(d)
at
.
(e) Domain of
is
and range of
is
.
(f)
.