Determine the Average Rate of Change of the Function on the Given

Multiple Choice

Determine the average rate of change of the function on the given interval.
- $$f ( x ) = x ^ { 3 } + 3 \text { on } [ 2,3 ]$$

A) $- 19$
B) $- \frac { 19 } { 2 }$
C) $\frac { 19 } { 2 }$
D) 19