The Function F Is One-To-One $$f ( x ) = \sqrt { x - 3 }$$

question 24

Multiple Choice

The function f is one-to-one. Find its inverse.
- $$f ( x ) = \sqrt { x - 3 }$$

• A) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = ( \mathrm { x } - 3 ) 2\)
• B) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \mathrm { x } ^ { 2 } - 3 , x \geq 0\)
• C) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \mathrm { x } ^ { 2 } + 3 , \mathrm { x } \geq 0\)
• D) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \sqrt { \mathrm { x } + 3 }\)

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