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函数是中学数学的重要知识,也是高考数学考查的重点.笔者查阅了从2000年到2008年全国各地的高考数学试卷,发现关于函数单调区间中含参数范围的确定问题是一
The function is an important knowledge of middle school mathematics, and it is also the focus of mathematics examination in college entrance examination. The author consulted the college entrance examination mathematics papers from 2000 to 2008 and found that the problem of determining the range of parameters in the monotonic range of functions is a