The functions are
and
.
Consider
.
.
The graph of
is the graph of
, reflected about
- axis and compressed vertically by a factor of
.
The amplitude of
is
.
Table :
\Construct a table containing
-intercepts and extrema for
and
for one period
.
| Function | \ -intercept | \
Maximum | \ -intercept | \
Minimum | \ -intercept | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
\
| Function | \ -intercept | \
Minimum | \ -intercept | \
Maximum | \ -intercept | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
Graph :
\1. Draw a coordinate plane.
\2. Plot the coordinate points.
\3. Then sketch the graph, connecting the points with a smooth curve.
\
The amplitude of
is
.
