One model of Earth's population growth is

Question

, where t is measured in years since 1990, and P is measured in billions of people. Which of the following statements are true?

Answer 1

We can see neither your equation nor the "following statements".

Answer 2

The population of Earth will grow exponentially for a while but then start to decrease.
AND
In 1991, there were 5.74 billion people, according to this model.

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