1. Rewrite each expression so it has exponents instead of roots.

2. Rewrite each expression so it has roots instead of exponents.

A group of scientists have been monitoring a population of fish in a lake for a few years. They have found that the population’s growth can be modeled by the equation , where is the fish population years since they began monitoring.

1. The scientists started monitoring the fish population when . What was the fish population then?
2. What was the fish population 4 years after they started monitoring?
3. What was the fish population when ? What does it mean in this situation?
4. What was the fish population when ? What does it mean in this situation?