Describe growth or decay write the equation for the situation and answer the question showing how you found your answer 1. Stella invested $2000 in a Certificate of Deposit (CD) in 2010, In 2018, the CD was worth $2371. What is the value of the CD this year? (2021) When will the CD Be worth $2500?

2. A ornithologist studying a population of hummingbirds saw the population in 2001 was 12,241 birds. In 2017, the population had dropped to 2478 birds. When will there be less than. How many birds are there THIS year? (2021) When will the bird population be less than 1000?
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