某商场以每件50元的价格购进一种商品,销售中发现这种商品每天的销售量m(件)与每件的销售价x(元)满足一次函数,其图象如图所示.(1)每天的销售数量m(件)与每件的销售价格x(元
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![某商场以每件50元的价格购进一种商品,销售中发现这种商品每天的销售量m(件)与每件的销售价x(元)满足一次函数,其图象如图所示.(1)每天的销售数量m(件)与每件的销售价格x(元](/uploads/image/z/1976875-43-5.jpg?t=%E6%9F%90%E5%95%86%E5%9C%BA%E4%BB%A5%E6%AF%8F%E4%BB%B650%E5%85%83%E7%9A%84%E4%BB%B7%E6%A0%BC%E8%B4%AD%E8%BF%9B%E4%B8%80%E7%A7%8D%E5%95%86%E5%93%81%2C%E9%94%80%E5%94%AE%E4%B8%AD%E5%8F%91%E7%8E%B0%E8%BF%99%E7%A7%8D%E5%95%86%E5%93%81%E6%AF%8F%E5%A4%A9%E7%9A%84%E9%94%80%E5%94%AE%E9%87%8Fm%EF%BC%88%E4%BB%B6%EF%BC%89%E4%B8%8E%E6%AF%8F%E4%BB%B6%E7%9A%84%E9%94%80%E5%94%AE%E4%BB%B7x%EF%BC%88%E5%85%83%EF%BC%89%E6%BB%A1%E8%B6%B3%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0%2C%E5%85%B6%E5%9B%BE%E8%B1%A1%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%EF%BC%8E%EF%BC%881%EF%BC%89%E6%AF%8F%E5%A4%A9%E7%9A%84%E9%94%80%E5%94%AE%E6%95%B0%E9%87%8Fm%EF%BC%88%E4%BB%B6%EF%BC%89%E4%B8%8E%E6%AF%8F%E4%BB%B6%E7%9A%84%E9%94%80%E5%94%AE%E4%BB%B7%E6%A0%BCx%EF%BC%88%E5%85%83)
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