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Problem 1 (due Monday, Feb. 17)
a) Is there a one-to one and onto function f:(0,1)⟶(0,1) such that f′=f−1, i.e. the derivative of f equals the inverse of f?
b) Is there a one-to one and onto function f:(0,∞)⟶(0,∞) such that f′=f−1, i.e. the derivative of f equals the inverse of f?
This problem was solved by only one participant: Yuqiao Huang. The submitted solution has been essentially the same as our “in-house” solution. To see the solution and some related open questions click the following link Solution