Find the Average Rate of Change for the Function Between $f ( x ) = - 3 x ^ { 2 } - x$

Multiple Choice

Find the average rate of change for the function between the given values.
- $f ( x ) = - 3 x ^ { 2 } - x$ ; from 5 to 6

A) $- 34$
B) $- \frac { 1 } { 6 }$
C) $- 2$
D) $\frac { 1 } { 2 }$