If the Function Is One-To-One, Find Its Inverse $$f ( x ) = \sqrt { x - 3 } , x \geq 3$$

question 349

Multiple Choice

If the function is one-to-one, find its inverse. If not, write ʺnot one-to-one.ʺ
- $$f ( x ) = \sqrt { x - 3 } , x \geq 3$$

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

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