\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Show that \(f : x \mapsto x + \mathrm{e}^x\) is a bijection from \(\mathbb{R}\) onto \(\mathbb{R}\).
Capture an image of your work. AI teacher feedback takes approximately 10 seconds.