]]>http://www.mathisfunforum.com/profile.php?id=337902012-12-04T01:23:34Zhttp://www.mathisfunforum.com/viewtopic.php?pid=242520#p242520Show 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...