In 2000, the world population was 6.08 billion and was increasing at a rate of 1.21% each year.

Write a function for the world population P(t).

2

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In 2000, the world population was 6.08 billion and was increasing at a rate of 1.21% each year.

Does the function for the world population P(t) represent growth or decay?

3

1

In 2000, the world population was 6.08 billion and was increasing at a rate of 1.21% each year.

Use the graph to predict the population in the year 2020?

4

1

The value of a $3000 computer decreases about 30% each year.

Write a function for the computer's value V(t).

5

1

The value of a $3000 computer decreases about 30% each year.

Does the function represent growth or decay?

6

1

The value of a $3000 computer decreases about 30% each year.

How much will the computer be worth in 4 years?

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