Find the Average Rate of Change of the Function Over $$h ( t ) = \sin ( 4 t ) , \left[ 0 , \frac { \pi } { 8 } \right]$$

Multiple Choice

Find the average rate of change of the function over the given interval.
- $$h ( t ) = \sin ( 4 t ) , \left[ 0 , \frac { \pi } { 8 } \right]$$

A) $\frac { 4 } { \pi }$
B) $- \frac { 8 } { \pi }$
C) $\frac { \pi } { 8 }$
D) $\frac { 8 } { \pi }$