Suppose If I'm given a function ff with domain [−1,1] such that the coordinates of each point (x,y) of its graph satisfy the x^2+y^2=1. What is the total number of points at which the function f is necessarily continuous?
这道题应该是拓扑学里的连续性?
答案是2个点(-1,0) 和(1,0)。
请问具体的求解过程, 谢谢!