Mathematics

Mathematics

Problem

Let f:[0,∞)→Rf:[0,\infty) \to \mathbb{R} be defined by f(x)=x2+1f(x)=x^{2}+1. Which of the following describes the range of f−1f^{-1}? a) (0,∞)(0,\infty) b) [0,∞)[0,\infty) c) [1,∞)[1,\infty) d) (−∞,0](-\infty,0]

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