For the Given Function $f(x)$ , Find $f^{-1}(x)$ State the Domain Of

Multiple Choice

For the given function $f(x)$ , find $f^{-1}(x)$ . State the domain of $f^{-1}(x)$ .
- $f(x) =\sqrt{x-1}+7$

A) $f 1(x) =(x-7) ^{2}+1, x \geq 7$
B) $f^{-1}(x) =(x+1) ^{2}-7, x \geq-1$
C) $f^{1}(x) =x^{2}+7, x \geq 0$
D) $f^{-1}(x) =(x+7) ^{2}-1, x \geq-7$