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Exponential functions can grow or decay very quickly. Exponential functions are often used to model things in the real world, such as populations, radioactive materials, and compound interest.
Course: Algebra 1 > Unit 12. Lesson 5: Exponential growth & decay. Exponential decay intro. Exponential growth vs. decay. Graphing exponential growth & decay.
Writing functions with exponential decay (practice) | Khan Academy.
In this unit, we'll tackle exponential growth and decay. We'll explore the key differences between exponential and linear growth, and get plenty of practice with exponential expressions. As we delve into graphs and tables, we'll start to see patterns and understand how to model these changes ourselves.
How do you solve word problems involving exponential growth and decay? In this video, you will learn how to use a table and a formula to find the percentage of a radioactive substance that remains after a certain time.
Sal models the decay of a Carbon-14 sample using an exponential function. Skip to main content If you're seeing this message, it means we're having trouble loading external resources on our website.
Using exponential decay equation to solve for relationship between k and half-life. Using semi-log plot to get graph of a straight line with slope of -k.
In a geometric sequence, "n" is a counting number like 1, 2, 3, 4, etc. This is because "n" represent which term in the sequence you want to find. If you want the 10th term, then n=10. With an exponential function, the value of "x" can be any real number. It is not limited to counting numbers.
Exponential functions & finance: Unit test Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501(c)(3) nonprofit organization.