\"\"

\

The function is \"\" on \"\".

\

The area of the function on \"\" is \"\".

\

Graph:

\

Graph the region between \"\" and \"\"-axis on \"\". \"\"

\

Observe the graph:

\

The area of the region approximate \"\" sq-units.

\

Option (d) is correct.

\

\"\"

\

Option (d) is correct.