Find the Inverse of the Function $$f ( x ) = \sqrt { x + 4 }$$

Find the inverse of the function.
- $$f ( x ) = \sqrt { x + 4 }$$

A) $f ^ { - 1 } ( x ) = \sqrt { x - 4 }$
B) $\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = ( \mathrm { x } + 4 ) ^ { 2 }$
C) Not a one-to-one function
D) $f - 1 ( x ) = x ^ { 2 } - 4 , x \geq 0$

Correct Answer:

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