Mathematics

Mathematics

Problem

Find the range of the function f(x)=1xf(x)=\dfrac{1}{x}, where x≠0x\neq0. a) (−∞,−1]∪[1,∞)(-\infty,-1]\cup[1,\infty) b) R∖{0}\mathbb{R}\setminus\{0\} c) (0,∞)(0,\infty) d) (−1,0)∪(0,1)(-1,0)\cup(0,1)

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