Complete the Table by Computing $f(x)$ At the Given Values of X, Accurate to Five Decimal

Complete the table by computing $f(x)$ at the given values of x, accurate to five decimal places. Use the results to guess at the indicated limit, if it exists, to three decimal places. $\lim _{x \rightarrow 5} \frac{\sqrt{x+20}-5}{x-5}$
$\begin{array}{|l|l|l|l|l|l|l|} \hline \text {x} &4.9 & 4.99 & 4.999 & 5.001 & 5.01 & 5.1 \\\hline \text {f(x)} &&\\\hline \end{array}$

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