$\"\"$

The function is $\"\"$ .

The function $\"\"$ is the product of the functions $\"\"$ and $\"\"$ .

Therefore, the damping factor is $\"\"$ .

$\"\"$

Graph:

Graph the functions $\"\"$ and $\"\"$ and $\"\"$ .

$\"\"$

Observe the graph :

The amplitude of the function decreasing as $\"\"$ approaches to zero from both sides.

$\"\"$

The amplitude of the function decreasing as $\"\"$ approaches to zero from both sides.