Geothech Q3 graph

You need to show a profile of stress vs. depth (see Q3). In other words, pls show the stress as a function of depth.

In Q1 & 2 you probably worked with each layer independently and only needed to show the stress beneath the whole ‘sandwich’, while in Q3 you need to show the stress in every point of depth – would it be -65 ft or -12.345 ft. I expect to see a piece-wise linear function with 3 or 4 (which, btw, would be correct according to Q3) pieces with a domain [-2; -65] ft.