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Virtual Math Learning Center

Virtual Math Learning Center Texas A&M University Virtual Math Learning Center

New! Section 2.1 – Exponential Growth and Decay

Instructions

  • The following videos were recorded specifically for MATH 147.
  • The first videos below explain the concepts in this section. 
  • This page also includes exercises that you should attempt to solve yourself. You can check your answers and watch the videos explaining how to solve the exercises. 
 

Similar Material From Other Courses

The following are links to other courses that cover this same material. These might be useful, but please note that other courses might cover the material differently.  

MATH 151 also covers this material in the following section.
Section 3.8 - Exponential Growth and Decay

Math 150 also has an example covering exponential decay at the following link.
Section 3.5 – Exponential and Logarithmic Models

If you would like to see more videos on the topic, click the following link and check the related videos.


Exercises

Directions: You should try to solve each problem first, and then click "Reveal Answer" to check your answer. You can click "Watch Video" if you need help with a problem.

1. ​A lab starts with 250 bacteria in a petri dish. If a lab technician notes the bacteria doubles every 45 minutes, determine the number of bacteria in the petri dish after 6 hours.

64,000 bacteria

If you would like to see more videos on this topic, click the following link and check the related videos.