Let H be a nonempty, closed, bounded subset of Rn. a) Suppose that f : H Rm
Question:
a) Suppose that f : H Rm is continuous. Prove that
is finite and there exists an x0 H such that ||f(x0)|| = ||f||H.
b) A sequence of functions fk: H Rm is said to converge uniformly on H to a function f: H Rm if and only if for every ε > 0 there is an N N such that
k > N and x H imply ||fk(x) - f(x)|| Show that ||fk - f||H 0 as k if and only if fk f uniformly on H as k: .
c) Prove that a sequence of functions converges uniformly on fk if and only if for every ε > 0 there is an N N such that
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