Question

fill in the blank to correctly complete the following sentence.
the graph of $f(x)= -\sqrt{x}$ is a reflection of the graph of $y=\sqrt{x}$ across the

Explanation:

When a function $f(x)$ is transformed to $-f(x)$, the graph of the new function is a reflection of the original function's graph across the x-axis. For $f(x)=\sqrt{x}$, $-f(x)=-\sqrt{x}$, so this is an x-axis reflection.

Answer:

x-axis