Find an Equation for the Inverse Function $$f ( x ) = 8 ^ { x } - 3$$

question 31

Multiple Choice

Find an equation for the inverse function.
- $$f ( x ) = 8 ^ { x } - 3$$

• A) \(f ^ { - 1 } ( x ) = \log _ { 3 } ( x - 8 )\)
• B) \(f ^ { - 1 } ( x ) = \log _ { 8 } ( x ) + 3\)
• C) \(f ^ { - 1 } ( x ) = \log _ { 8 } ( x - 3 )\)
• D) \(f ^ { - 1 } ( x ) = \log _ { 8 } ( x + 3 )\)

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