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Let f(x)=f_(1)(x)-2f_(2)(x), where where f(x)={(min{x^(2)","|x|}",",|x| le 1),(max{x^(2)","|x|}",",|x| gt 1):} andf_(2)(x)={(min{x^(2)","|x|}",",|x| gt 1),(max{x^(2)","|x|}",",|x| le 1):} and let g(x)={(min{f(t):-3 le t le x", "-3 le x lt 0}),(max{f(t): 0let le x"," 0 le x le 3}):} Forx in (-1,0), f(x)+g(x) is |
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Answer» `X^(2)-2x+1` |
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