Example 2 from the applet list is notable for the fact that the functions f3(x) and f4(x) are not defined on the real domain. The Figures a-d show the complex functions g1(z)-g4(z). Note that the complex functions g3(z) and g4(z) take complex values on the entire real axis.
![[size=85] Example 2 from the applet list is notable for the fact that the functions f3(x) and f4(x) are not defined on the real domain. The Figures a-d show the complex functions g1(z)-g4(z). Note that the complex functions g3(z) and g4(z) take complex values on the entire real axis.[/size]](https://beta.geogebra.org/resource/xbnmery9/8gB3IDW8NaGyuZ8H/material-xbnmery9.png)