Question

In ideal conditions 200 colony forming units (cfu) of e. Coli can grow to 400 cfu in 20 minutes to 800 cfu in 40 minutes and to 1600 cfu in an hour. Write an equation that models the function

Answer 1

Explanation:

The population doubles every 20 minutes, so:

x = 200 (2)^(t / 20)