🇬🇧 en pt 🇵🇹

inverse function noun

  • (mathematics) For a given function f, another function, denoted f−1, that reverses the mapping action of f; (formally) given a function f: X\rightarrow Y, a function g: Y\rightarrow X such that, \forall x\in X,\ f(x) = y \implies g(y)=x.
 função inversa
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