Population growth and decay ,example 3 Exponential growth and decay are fundamental applications of first-order differential equations and are widely used in mathematics, physics, biology, and engineering. In this video, we explore the complete concept of exponential growth and decay and solve problems step-by-step. In this lesson, you’ll learn: ✔ The differential equation model for exponential growth and decay ✔ How to derive the exponential solution formula ✔ Meaning of growth constant and dec