论文部分内容阅读
研究了y=f(x)与f-1(x)图象交点的关系;给出了交点必在直线y=x上的一个充分条件和它们存在交点的一个充要条件。
The relationship between y = f (x) and f-1 (x) images is studied. A necessary and sufficient condition is given for a sufficient condition for the intersection point to be on the line y = x and their intersection points.