Answer
See the table below.
Work Step by Step
$ \left[\begin{array}{llllll}
& & & f(x)=2/x & & \frac{f(a+h)-f(h)}{h}\\
& & & & & Avg.rate.\\
\mathrm{a} & h & a+h & f(a+h) & f(a) & of.change\\
& & & & & \\
1 & 1 & 2 & 1 & 2 & -1\\
1 & 0.1 & 1.1 & 1.818181818 & 2 & -1.818181818\\
1 & 0.01 & 1.01 & 1.98019802 & 2 & -1.98019802\\
1 & 0.001 & 1.001 & 1.998001998 & 2 & -1.998001998\\
1 & 0.0001 & 1.0001 & 1.99980002 & 2 & -1.99980002
\end{array}\right]$
