Use the stability theorem to check the phase-line diagrams for the following models of bacterial population growth.

Question:

Use the stability theorem to check the phase-line diagrams for the following models of bacterial population growth.
1. The model in Section 5.1, Exercise 27 and Section 5.2 Exercise 21.
2. The model in Section 5.1, Exercise 28 and Section 5.2, Exercise 22.
3. The model in Section 5.1, Exercise 29 and Section 5.2, Exercise 23.
4. The model in Section 5.1, Exercise 30 and Section 5.2, Exercise 24.