The graph of the function is shown and the interval is
.
Average value of the function on the interval is
.
.
\
is the area of the region bounded by the curve with
axis.
The region consists triangles and squares.
\\
Area of the triangle is .
\
Area of the square is .
\
.
Substitute in
.
\
Average value of the function is .
Average value of the function is .