Exponential Growth Word Problems

This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

Exponential Growth Problem
Example:
A biology class at Central High School predicted that a local population of animals will double in size every 12 years. The population at the beginning of 2014 was estimated to be 50 animals. If P represents the population n years after 2014, then which of the following equations represents the class’s model of the population over time?

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