Find the Inverse of the Function $$f ( x ) = \sqrt { x + 3 }$$

Multiple Choice

Find the inverse of the function.
- $$f ( x ) = \sqrt { x + 3 }$$

A) $\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = ( \mathrm { x } + 3 ) ^ { 2 }$
B) $f ^ { - 1 } ( x ) = x ^ { 2 } - 3 , x \geq 0$
C) $f ^ { - 1 } ( x ) = \sqrt { x - 3 }$
D) Not a one-to-one function