Find the Inverse of the Function $f ( x ) = 3 x + 2$

question 86

Multiple Choice

Find the inverse of the function. $f ( x ) = 3 x + 2$

• A) \(f ^ { - 1 } ( x ) = x - 2\)
• B) \(f ^ { - 1 } ( x ) = 2 x\)
• C) \(f ^ { - 1 } ( x ) = \frac { x + 2 } { 3 }\)
• D) \(f ^ { - 1 } ( x ) = \frac { x - 2 } { 3 }\)
• E) none of these

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