(a)
\Step 1 :
\The function is
on the interval
.
Average value of the function on
is defined as
.
Here
.
Average value of
is

\

\
\ \
\
.
Average value of the function
on
is
.
Solution :
\Average value of the function
on
is
.
\
(b)
\Step 1 :
\The function is
on the interval
.
Average value of the function on
is defined as
.
Here
.
Average value of
is

\

Consider
.
Differentiate with respect to
.

Substitute
and
in equation (1).

\
Step 2 :
\Power rule of integration :
.

Substitute
in above equation.

.
Average value of the function
on
is
.
Solution :
\Average value of the function
on
is
.
\
(2)
\Step 1 :
\The function is
on the interval
.
Mean Value Theorem :
.
\
Here
.
Average value of
is

\

.
Step 2 :
\The function
in terms of
is
.
Substitute
in
.
\

\
and
.
The value of
is
.
Solution :
\The value of
is
.