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The Function F Is One-To-One f(x)=3x+4f ( x ) = 3 x + 4

Question 291

Multiple Choice

The function f is one-to-one. Find its inverse.
- f(x) =3x+4f ( x ) = 3 x + 4


A) f−1(x) =x+43f ^ { - 1 } ( x ) = \frac { x + 4 } { 3 }

B) f−1(x) =x−43f ^ { - 1 } ( x ) = \frac { x - 4 } { 3 }

C) f−1(x) =x3+4f ^ { - 1 } ( x ) = \frac { x } { 3 } + 4

D) f−1(x) =x3−4\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { \mathrm { x } } { 3 } - 4

Correct Answer:

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