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函数f(x)=x+f(x)=x+(k/x>0)在高中数学中有着非常广泛的应用.本文就函数f(x)=x+k/x(k>0)的图像,性质,以及其在三角函数等方面的应用进行了探讨.这对于训练高中学生的归纳和转化思想具有一定的意义.
The function f (x) = x + f (x) = x + (k / x> 0) has a very wide range of applications in high school mathematics. Image, nature, and its application in trigonometric functions, etc. It is of great significance to train high school students’ induction and transformation ideas.