Cool Down: Flea Treatment
Veterinarians use different medications to treat fleas in dogs. Once administered, the
medication typically decays exponentially. One treatment decays by half each week.
A dog receives 4 mL of medication and the function f gives the number of mL of medicine
left after w weeks.
1. Find the amount of medication in the dog's bloodstream 1 week, 2 weeks, and 3
weeks after it is administered.
2. Write an expression to represent the amount of medication in its bloodstream 10
after it is administered.
3. Explain what f (*) means in this context.