## Calculus 10th Edition

1. Start by sketching $f_{1}(x)=\ln x$ 2. $f(x)=f_{1}(|x|)=\ln|x|$ (mirror the graph of $f_{1}$ over the y-axis, keeping the original) Its domain is$:$ x$\in \mathbb{R},\ x\neq 0.$ (screenshot included)