指数法预测销售成本销售成本订货量销售成本1800f(x)=673.945400522737exp(0.00113500237783014x)1600R²=0.7832343622244486048014001208001200销售成本20010001000Exponential3001100(销售成本)400120080050013006001002003004005006007008009001000600140040070015002008001580900160000预计订货量图表公式预测销售成本函数预测销售成本110012502260.082348.7814002665.522784.7215503143.703301.5718003707.663914.3420004881.255198.656082.416523.4213500237783014x)销售成本Exponential(销售成本)9001000
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