$\"\"$

The force is $\"\"$ on interval $\"\"$ .

Work done by the object in moving from $\"\"$ to $\"\"$ is $\"\"$ .

Substitute $\"\"$ and $\"\"$ .

$\"\"$ .

Graph the function $\"\"$ on $\"\"$ .

$\"\"$

Observe the graph:

$\"\"$ .

$\"\"$

$\"\"$ .