$\text { Find } f ^ { - 1 } ( x ) \text { if } f ( x )$

question 28

Multiple Choice

$\text { Find } f ^ { - 1 } ( x ) \text { if } f ( x )$ $=3 \sqrt[5]{8 x-9}$

• A) \(f ^ { - 1 } ( x ) = \frac { 1 } { 3 } ( 8 x - 9 ) ^ { 5 }\)
• B)\(f ^ { - 1 } ( x ) = \frac { 1 } { 3 } \left( \left( \frac { x } { 3 } \right) ^ { 5 } + 9 \right)\)
• C)\(f ^ { - 1 } ( x ) = \frac { 1 } { 8 } \left( \left( \frac { x } { 3 } \right) ^ { 5 } - 9 \right)\)
• D)\(f ^ { - 1 } ( x ) = \frac { 1 } { 8 } \left( \left( \frac { x } { 3 } \right) ^ { 5 } + 9 \right)\)
• E) \(f ^ { - 1 } ( x )\) does not exist

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