建造一个容积为8立方米,深为2米的长方体无盖水池,如果池底和池壁的造价分别为120元每平方米和80元平方米.(1)设底面一边长为x,求总造价Y关于底面一边长X的函数式.(2)X为何值时,总造价
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![建造一个容积为8立方米,深为2米的长方体无盖水池,如果池底和池壁的造价分别为120元每平方米和80元平方米.(1)设底面一边长为x,求总造价Y关于底面一边长X的函数式.(2)X为何值时,总造价](/uploads/image/z/2713164-60-4.jpg?t=%E5%BB%BA%E9%80%A0%E4%B8%80%E4%B8%AA%E5%AE%B9%E7%A7%AF%E4%B8%BA8%E7%AB%8B%E6%96%B9%E7%B1%B3%2C%E6%B7%B1%E4%B8%BA2%E7%B1%B3%E7%9A%84%E9%95%BF%E6%96%B9%E4%BD%93%E6%97%A0%E7%9B%96%E6%B0%B4%E6%B1%A0%2C%E5%A6%82%E6%9E%9C%E6%B1%A0%E5%BA%95%E5%92%8C%E6%B1%A0%E5%A3%81%E7%9A%84%E9%80%A0%E4%BB%B7%E5%88%86%E5%88%AB%E4%B8%BA120%E5%85%83%E6%AF%8F%E5%B9%B3%E6%96%B9%E7%B1%B3%E5%92%8C80%E5%85%83%E5%B9%B3%E6%96%B9%E7%B1%B3.%EF%BC%881%EF%BC%89%E8%AE%BE%E5%BA%95%E9%9D%A2%E4%B8%80%E8%BE%B9%E9%95%BF%E4%B8%BAx%2C%E6%B1%82%E6%80%BB%E9%80%A0%E4%BB%B7Y%E5%85%B3%E4%BA%8E%E5%BA%95%E9%9D%A2%E4%B8%80%E8%BE%B9%E9%95%BFX%E7%9A%84%E5%87%BD%E6%95%B0%E5%BC%8F.%EF%BC%882%EF%BC%89X%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%E6%80%BB%E9%80%A0%E4%BB%B7)
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