a) Compute the average rate of change for $g(x) = 4x-10$ on the following intervals:
i) $2 \leq x \leq 6$
ii) $[-8,-5]$

b) Compute the average rate of change for $f(x) = 2x^{3}-x^{2}+1$ on the following intervals:
i) from $x=2$ to $x= 6$
ii) $[-8,-5]$

Hint: