5. (a) Prove that if f is uniformly continuous on a bounded subset S of R, then f is bounded on S. (b) Is f(x)=1/(x-3) uniformly continuous on (3,00)? (c) Let f(x) = √ for x ≥ 0. Show that f' is unbounded on (0,1] but f is nevertheless uniformly continuous on (0, 1].
5. (a) Prove that if f is uniformly continuous on a bounded subset S of R, then f is bounded on S. (b) Is f(x)=1/(x-3) uniformly continuous on (3,00)? (c) Let f(x) = √ for x ≥ 0. Show that f' is unbounded on (0,1] but f is nevertheless uniformly continuous on (0, 1].
Chapter3: Functions
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