函数是高中数学的核心内容,知识涉及面广、综合性强,在高中数学中占极其重要的地位;导数是处理和探究函数性质的重要工具,也是高中和大学知识的衔接内容,函数与导数的有机结合,发挥导数的工具性作用,应用导数研究函数的性质、证明不等式问 Function is the core content of high school mathematics, which has a wide range of knowledge and strong comprehensiveness, and plays an extremely important role in high school mathematics. Derivatives are an important tool to deal with and explore the nature of functions, as well as the link between high school and university knowledge. Functions and derivatives Of the organic combination of play a derivative of the instrumental role of the application of derivatives of the nature of the function to prove inequality