Answer
$\text{Domain: the interval }
[0,\infty)
$
Work Step by Step
Using a table of values, the graph of the given function, $
f(x)=\sqrt{x}+2
,$ is shown below.
Using the graph, the domain of the given function is
\begin{array}{l}\require{cancel}
\text{Domain: the interval }
[0,\infty)
.\end{array}