Multiple Select: Choose all of the correct answers. 21) Let / be an interval and let fn : I - R for each n E N. We say that the sequence { fn } of functions converges uniformly to f : I - R on I if for every 19) In applying the e - 6 definition of continuity to the function f(x) = r at r = 1, given e > 0, we can E > 0, there exists a cutoff N E N such that if n 2 N, then always assume that o