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Solve the Problem f(x)=ex−1+3f ( x ) = e ^ { x - 1 } + 3

Question 128

Multiple Choice

Solve the problem.
-Given that f(x) =ex−1+3f ( x ) = e ^ { x - 1 } + 3 , find f−1(x) f ^ { - 1 } ( x ) and give the domain and range of f−1(x) f ^ { - 1 } ( x )


A) f−1(x) =ln⁡(x−3) +1\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \ln ( \mathrm { x } - 3 ) + 1 , domain =(0,∞) = ( 0 , \infty ) , range =(0,∞) = ( 0 , \infty )
B) f−1(x) =ln⁡(x−1) +3\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \ln ( x - 1 ) + 3 , domain =(−∞,∞) = ( - \infty , \infty ) , range =(−∞,∞) = ( - \infty , \infty )
C) f−1(x) =ln⁡(x−1) +3\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \ln ( \mathrm { x } - 1 ) + 3 , domain =(3,∞) = ( 3 , \infty ) , range =(−∞,∞) = ( - \infty , \infty )
D) f−1(x) =ln⁡(x−3) +1\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \ln ( x - 3 ) + 1 , domain =(3,∞) = ( 3 , \infty ) , range =(−∞,∞) = ( - \infty , \infty )

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