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MATH / Suppose that f is an invertible function from (−∞,∞) to (−∞,∞). If f(f(x))=x, find f(x)−f^(−1)(x). · Discussion
Discussing Suppose that f is an invertible function from (−∞,∞) to (−∞,∞). If f(f(x))=x, find f(x)−f^(−1)(x). · MATH
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