A2.F.2.2

Combine functions by composition and recognize that 𝑔(𝑥) = 𝑓$^{-1}$(𝑥), the inverse function of 𝑓(𝑥), if and only if 𝑓(𝑔(𝑥)) = 𝑔(𝑓(𝑥)) = 𝑥.

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