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What is the range of the function f(x) =1/ (1-x) Express your answer in interval notation.
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What is the range of the function f(x) =1/ (1-x) Express your answer in interval notation.

User Navid Abutorab
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That would be all real values of f(x) except when x = 1.

User Slakter
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Sketching a graph would make it obvious that f(x) can equal anything except zero. Thus, range is (-infinity, 0) union (0, infinity)
User Trevor Carothers
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