The function is .

Make a table for and values.

\ \	\ \
\ \	\ \
\ \	\ \
\ \	\ \
\ \	\ \
\ \	\ \
\ \	\ \

Observe the table:

The maximum point is .

Graph:

Graph the function and plot the maximum point .

Observe the graph:

The graph is the same shape as , but the graph is vertically compressed by a factor and reflected about -axis.

The maximum point is at and increases, increases.

The domain of the function and range of the function is .

The domain of the function is , and range is .