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#1 Help Me ! » Real Analysis Help! » 2012-12-03 12:57:55

39643
Replies: 1

Show that
f(x)= x/1+e^(1/x), x doesn't equal 0
f(0)=0

defines a continuous function on R. Is f(x) differentiable?

I have no idea where to even begin. My teacher didn't even teach us this in class before assigning it... hmm

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