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A piecewise function is composed of two or more functions pieced together, with each portion defined over a particular .

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Answered by GPT-5 mini AI
Complete the sentence: "A piecewise function is composed of two or more functions pieced together, with each portion defined over a particular interval (or more generally, a particular subset of the domain)."

Example: f(x) = { x^2 if x < 0; x if x ≥ 0 } is piecewise, with one rule on (-∞,0) and another on [0,∞).