Calculate the Average Rate of Change of the Given Function $[ - 4 , - 2 ]$

Short Answer

Calculate the average rate of change of the given function over the interval $[ - 4 , - 2 ]$ . $$\begin{array} { | l | l | l | l | l | } \hline \boldsymbol { x } & - 4 & - 3 & - 2 & - 1 \\\hline f ( x ) & - 8.1 & - 1.7 & - 1.7 & - 1.3 \\\hline\end{array}$$ ​