1. If the population of Europe grew at the rate of 0.72% annually, what would be the doubling time? 

2. The population of Botswana was estimated to be 1.22 million in 1989, and to be growing at the rate of 3.4% annually. If t = 0 denotes 1989, find a formula for the population P(t) at date t. What is the doubling time? 

3. A savings account with an initial deposit of $100 earns 12% interest per year. What is the amount of savings after t years? Make a table similar to Table 1. (Stop at 50 years.)

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a Suppose at time t the population is 2P and at ti... View the full answer