$\begin{array}{|ccccccccc|}\hline x& & 3& 3.5& 4& 4.5& 5& 5.5& 6\\ f\left(x\right)& & 1.653& 2.02& 2.533& 3.193& 1& 1.125& 1.25\\ \hline\end{array}$