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If f(x) = 4x^3 - x^2 - 2x + 1 and g(x) = cases f(t) : 0 t x & ; 0 x 1 3 - x & ; 1 < x 2 cases and if = g ( 1 4 ) + g ( 3 4 ) + g ( 5 4 ) , then 2 =

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5

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