Find the Inverse of the One-To-One Function $f ^ { - 1 } ( x ) = \frac { x + 9 } { 5 }$

question 15

Multiple Choice

Find the inverse of the one-to-one function. ?
Y = 5x + 9
?

• A) \(f ^ { - 1 } ( x ) = \frac { x + 9 } { 5 }\)
• B) \(f ^ { - 1 } ( x ) = \frac { x - 9 } { 5 }\)
• C) \(f ^ { - 1 } ( x ) = \frac { 5 } { x - 9 }\)
• D) \(f ^ { - 1 } ( x ) = \frac { x - 5 } { 9 }\)
• E)none of the above

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