Let . Which of the following is…

MATHEMATICS · Single correct · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions

Problem

Let f(x)=5x+2f(x)=5^{x}+2. Which of the following is f−1(x)f^{-1}(x)? (a) log⁡5(x+2)\log_5(x+2) (b) log⁡5(x)−2\log_5(x)-2 (c) log⁡5(x−2)\log_5(x-2) (d) log⁡5x+2\log_5 x +2

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