Let $f(x) = -5 - x^2$. Find each of the following:

(A) $\displaystyle{\frac{f(-2) - f(-8)}{-2-(-8)} =}$

(B) $\displaystyle{\frac{f(-8 + h) - f(-8)}{h} =}$

(C) $\displaystyle{\lim_{h\rightarrow 0}\frac{f(-8 + h) - f(-8)}{h} =}$