Question

Find f^-1(x) and it’s domain.

Answer 1

Answer: A

Step-by-step explanation:

Letting $f(y)=x$,

$x=\sqrt{y}-5\\\\x+5=\sqrt{y}\\\\y=(x+5)^{2}$

Also, the domain of an inverse is the same as the range of the original function, so the range is $x \geq 0$