Lecture 1 - UH
Definition 9. Let f be a one-to-one function. The inverse of f, denoted by f−1, is the unique function with domain equal to the range of f that satisfies f f−1(x) = x for all x in the range of f. Warning DON’T Confuse f−1 with the reciprocal of f, that is, with 1/f. The “−1”
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