Given the Following Data About a Function F, Estimate the Rate

Short Answer

Given the following data about a function f, estimate the rate of change of the derivative $f^{\prime}$
at x = 4.5.
.
$\begin{array}{cccccccc}x & 3 & 3.5 & 4 & 4.5 & 5 & 5.5 & 6 \\f(x) & 10 & 8 & 7 & 4 & 2 & 0 & -1\end{array}$