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Find the Inverse of the One-To-One Function f(x)=85x+1f ( x ) = \frac { 8 } { 5 x + 1 }

Question 73

Multiple Choice

Find the inverse of the one-to-one function.
- f(x) =85x+1f ( x ) = \frac { 8 } { 5 x + 1 }


A) f1(x) =85x15\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 8 } { 5 \mathrm { x } } - \frac { 1 } { 5 }
B) f1(x) =1585x\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 1 } { 5 } - \frac { 8 } { 5 \mathrm { x } }
C) f1(x) =5x+18f ^ { - 1 } ( x ) = \frac { 5 x + 1 } { 8 }
D) f1(x) =85y15\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 8 } { 5 \mathrm { y } } - \frac { 1 } { 5 }

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