Answer
See below.
Work Step by Step
To plot $4i$ we start at the origin and then move $4$ units up. See the attached image.
![](https://gradesaver.s3.amazonaws.com/uploads/solution/15600260-b8e2-426d-8e4a-52bec8d3785e/steps_image/small_1574945204.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJVAXHCSURVZEX5QQ%2F20240727%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240727T015143Z&X-Amz-Expires=900&X-Amz-SignedHeaders=host&X-Amz-Signature=205e341fcafed68dbf5b4b86f0bbf1735325b355eb4079319567dc202d11201f)
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