Exponential Growth and Decay

Question Group #1
Directions and/or Common Information: The Hippityhoppity bunny decided to have a family reunion at the Magic Forest every 5 years.  During the second reunion the family discovered that the number of family members was 154 and was growing at an annual rate of 3.2%.
 Write an equation to model the growth of the bunny family.
 1

 Use your model to predict the number of bunnies at the third family reunion.
 2

 Use your equation to predict the number of bunnies at the first reunion.
 3

Question Group #2
Directions and/or Common Information: The fish in The Magic Forest Lake were declining at an annual rate at 1.5%.  Their current number is estimated at 2500.
 Write an equation to model the decreasing number of fish.
 1

 Use the model to predict the number of fish in the lake in 10 years.
 2

 Use the model to find the number of fish in the lake 5 years ago.
 3

C Gulliksen

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