Exponential growth sometimes also called geometric or compound-interest growth can be described by an equation in which time is raised to a power ie. Exponential growth is growth that increases by a constant proportion. However as the population grows the growth rate increases rapidly.
Has an exponenthence the name.
Exponential growth is a process that increases quantity over time. You were introduced to the concept of exponential functions that can be used to model growth and decay. Exponential growth is modeled an exponential equation. The worlds accelerating population growth is a major concern in terms of how our planet can feed and provide fuel for the current 72 billion plus people who currently live in our world.