\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Let \(f\) be the function defined on \(\mathbb{R}\) by \(f(x) = e^{x} - e^{-x}\).
Study the variations of \(f\) on \(\mathbb{R}\) and dress its variation table.
Capture an image of your work. AI teacher feedback takes approximately 10 seconds.