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Topology

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Positive Reals

TOPO-V52BZE

Which of the following are homeomorphisms $(0,\infty)\rightarrow(0,\infty)$? Select ALL that apply.

A

$f(x)=1-x$

B

$f(x)=1/x$

C

$f(x)=x+1/x$

D

$f(x)=x$