$\"\"$

The function is $\"\"$ .

1.Draw the coordinate plane.

2.Graph the function $\"\"$ .

Graph :

$\"\"$

Observe the graph the function has horizontal asympote at $\"\"$ .

There are infinite local maximum and local minimum points.

$\"\"$

Graph : $\"\"$ .

$\"\"$

The graph the function has horizontal asympote at $\"\"$ .

There are infinite local maximum and local minimum points.