# Exponential growth & decay

This course is a part of Algebra I, a 17-course Topic series from Khan Academy.

Learn how to construct, analyze, graph, and interpret basic exponential functions of the form f(x)=a*r^x.

This course contains 6 segments:

Exponential vs. linear growth

Learn about exponential growth and decay, and specifically how it always grows (or diminishes) by equal factors.

Exponential expressions

Learn how to construct exponential functions to model real-world situations.

Graphs of exponential growth

Learn how an exponential function behaves as the value of its input increases to positive infinity or decreases to negative infinity. Learn how to graph basic exponential functions.

Exponential vs. linear growth over time

Learn how to distinguish between linear and exponential growth, and learn the differences between the end behavior of polynomial and exponential functions.

Exponential decay

Learn how to construct exponential functions and then analyze them to model and solve real-world problems.

Exponential functions from tables & graphs

Learn how to analyze the formulas of basic exponential functions in order to find their common ratio, initial value, and other parameters.

Rating Not enough ratings 6 segments On Demand (Start anytime) Free Khan Academy On all desktop and mobile devices English Mathematics Math Algebra I

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