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MATH / Suppose that g(x)=f^(−1)(x). If g(−15)=0, g(0)=3, g(3)=9 and g(9)=20, what is f(f(9))? · Discussion

Discussing Suppose that g(x)=f^(−1)(x). If g(−15)=0, g(0)=3, g(3)=9 and g(9)=20, what is f(f(9))? · MATH

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