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[" If "g(x)=x^(2)+x-2" and "(1)/(2)" gof...

[" If "g(x)=x^(2)+x-2" and "(1)/(2)" gof "(x)=2x^(2)-5x+2," then "f(x)" may be "],[[" (A) "2x-3," (B) "2x+3],[" (C) "2x^(2)+3x+1," (D) "2x^(2)-3x-1]]

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