函数这一块高中数学教学中的重难点,历来都是让老师头疼学生头晕的知识,如何能够针对这块知识点寻求更好的解决办法,是每个高中数学老师思考的问题.本文中笔者结合自身多年教学经验,就函数值域的求解方法进行总结,希望能够在以后的教学中,抛砖引玉,为大家提供些许帮助.笔者相信,只要在日常教学过程中,对这类问题进行细致的梳理和总结,那 Function of a high school mathematics teaching in the heavy and difficult, has always been a headache for students dizzy knowledge, how to find a better solution for this knowledge point is the question of every high school mathematics teacher thinking. With many years of teaching experience, I summarize the method of solving the function range, hoping to provide some help in the future teaching.I believe that as long as the daily teaching process, to sort out such issues in detail and To conclude, that