Question 41 pts

The yellow bellied ding bat is a small woodland creature. They live exactly 2 years. Every year, each existing pair of ding bats produces a litter of 3 babies (the population grows by a factor of 2.5), then all the 2 year old ding bats die. Let an represent the number of dingbats at the end of year n.

Give the recursive definition __________ + ________

Give the closed form ___________

an an