Find the Inverse of the Function $$f ( x ) = 9 ^ { x } + 3$$

question 15

Multiple Choice

Find the inverse of the function.
- $$f ( x ) = 9 ^ { x } + 3$$

• A) \(f ^ { - 1 } ( x ) = \log _ { 9 } ( x + 3 )\)
• B) \(f ^ { - 1 } ( x ) = \log 9 ( x + 9 )\)
• C) \(f ^ { - 1 } ( x ) = \log _ { 9 } ( x - 9 )\)
• D) \(f ^ { - 1 } ( x ) = \log 9 ( x - 3 )\)

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