Let f be defined and continuous on a closed set S in R. Let A={x: x S and f(x)=0}.

Prove that A is a closed subset of R .

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- May 13th 2010, 03:07 PMjanae77Continuity
Let f be defined and continuous on a closed set S in R. Let A={x: x S and f(x)=0}.

Prove that A is a closed subset of R . - May 13th 2010, 03:38 PMPlato