Previously you were given the function $f(x) = (x-2)(x+3)$ and you calculated $f(0) = -6$ and $f(-2) = -4\text{.}$ Use these values to calculate the average rate of change of the function in two different directions. $\frac{f(0) - f(-2)}{0 -^{-} 2} =$ $\frac{f(-2) - f(0)}{-2 - 0} =$