Page 1 of 1

Assume that for a∈R and f:R→R ∀ϵ>0∃δ>0∀x such thah f(x)−f(a)∣<ϵ we have ∣x−a∣<δ.  Does it follow that f(x) is continuous

Posted: Wed Jul 13, 2022 5:06 am
by answerhappygod
 1
1 (61.95 KiB) Viewed 48 times
Assume that for a∈R and f:R→R ∀ϵ>0∃δ>0∀x such thah f(x)−f(a)∣<ϵ we have ∣x−a∣<δ.  Does it follow that f(x) is continuous at a ? What can be said about the function f(x) ?