Find the Average Rate of Change for the Function Over $y=9 x^{3}+6 x^{2}-1$

Multiple Choice

Find the average rate of change for the function over the given interval.
- $y=9 x^{3}+6 x^{2}-1$ between $x=-6$ and $x=5$

A) 273
B) $\frac{3003}{5}$
C) $\frac{1274}{11}$
D) $\frac{1274}{5}$