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函数的单调性是函数的重要性质之一,如果我们在解题过程中,巧妙地利用函数的单调性性质,往往会收到事半功倍的效果.下面举例说明. 一、根据单调性,比较函数值大小
The monotonicity of the function is one of the important properties of the function. If we cleverly use the monotonic nature of the function in the process of solving the problem, we will often receive a multiplier effect. The following examples illustrate. I. According to the monotonicity, the function value is compared. size