Determine Whether the Function Has an Inverse Function $$f ^ { - 1 } ( x ) = \sqrt { x } + 5 , x \geq 0$$

Determine whether the function has an inverse function.If it does,find the inverse function. f(x) = x² + 5

A) $$f ^ { - 1 } ( x ) = \sqrt { x } + 5 , x \geq 0$$
B) $f ^ { - 1 } ( x ) = \sqrt { x - 5 }$
C) $f ^ { - 1 } ( x ) = \sqrt { x } - 5$
D) $f ^ { - 1 } ( x ) = \sqrt { x + 5 } , x \geq - 5$
E) No inverse function exists.

Correct Answer:

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