Google Classroom
GeoGebraClasse GeoGebra

The function f(z)=log(z+1)

Complex Mapping . The points and are defined on the horizontal and vertical segments, respectively. Here we consider the principal argument . Observe the behaviour of and when and are moved. You can also change the branch of the logarithm.
To move and simultaneously click on the Animate button. Drag the sliders to observe what happens to both graphs.