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A function is matched below against an interval where it is supposed to be increasing Which of the following parts is incorrectly matched ? {:("Interval","Function"),((a)[2,oo),2x^(3)-3x^(2)-12x+6),((b)(-oo,oo),x^(3)-3x^(2)+3x+3),((c)(-oo,-4],x^(3)+6x^(2)+6),((d)(-oo,(1)/(3)],3x^(2)-2x+1):} |
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