More about applications of exponential functions.

1. The Trouble With Tribbles or ...
more about
exponential
modeling
tribbles by flickr user tr67

2. Example 1: A colony of bacteria doubles every 6 days. If there were 3000
bacteria to begin with how many bacteria will there be in 15 days?

3. The Trouble with Tribbles
Video Source

4. Example 2: The mass (in grams) of radioactive material in a sample is given by:
where t is measured in years.
(a) Find the half-life of this radioactive substance.
(b) Create a model using the half-life you found in (a). How much of a 10 gram
sample of the material will remain after 40 years?