Exponential Growth Vs Decay: Practice

This video continues with the ideas of exponential growth and decay and how they differ from each other by looking at several different example problems.

The general idea is that if you have some exponential function, f(x) = b^x, if the base b is a fraction between 0 and 1, the function will exhibit exponential decay, meaning that as x increases, the function value will decrease. If the base b is greater than 1, the function will display exponential growth and the function values will increase as the x value increases.

Khan Academy exercise to practice: