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A certain teacher determines the grade on an assignment by first finding the percent of questions that are answered correctly and then, if the assignment was handed in late, deducting 7 percentage points from the grade for each day that the assignment was late. If Tim answered 3 of the 25 questions incorrectly and handed the assignment in to this teacher 2 days late, what grade did he receive on the assignment?
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· 相关考点
2.5.6 分段函数及应用题
2.5.6 分段函数及应用题
以上解析由 考满分老师提供。
