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(1+1.06*0.2+0.8x+2.496*0.2*x+1.3184*0.2*x^2) for x from 0 to 0.5
(1+1.06*0.2+0.8x+2.496*0.2*x+1.3184*0.2*x^2) for x from 0 to 0.5
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