7.6 Chapter 1. First order differential equations. Section 1.7 (population models). Problems at page 82

7.6.1 problem 1
7.6.2 problem 2
7.6.3 problem 3
7.6.4 problem 4
7.6.5 problem 5
7.6.6 problem 6
7.6.7 problem 7
7.6.8 problem 8