What I'm stuck on is the way to get from $e^x-e^{x_0}$ to $x-x_0$. I know I could do a log base e to the $e^x-e^{x_0}$ but the algebra wouldn't result in $x-x_0$. I'm mostly just stuck on the logarithm and how to make $e^x-e^{x_0}$ turn into $x-x_0$.
2026-03-25 23:36:45.1774481805
Proving the continuity of $f(x)=e^x$ using delta-epsilon
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