Let X be a compact topological space and f :X + R a continuous function. Show that the image of f is a closed and bounded subset of R.

匿名用户 最后更新于 2021-12-01 19:08 数学类Mathematics

Let X be a compact topological space and f :X + R a continuous function. Show that the image of f is a closed and bounded subset of R.

已邀请: