Chapter 2 - Section 2.6 - Transformations of Functions - 2.6 Exercises - Page 207: 67

$g(x)=-\sqrt{x+2}$

The graph of $g$ is the result of shifting the graph of $f(x)= \sqrt{x} $ by $2$ units to the left and then reflecting about the $x-$axis. Hence, the equation of $g$ is \begin{array}{l}\require{cancel} g(x)=-\sqrt{x+2} .\end{array}