Exponential Growth and Decay

Question

Jose takes medication after t minutes, the concentration of medication left in his bloodstream is given by A(t)=10(0.5)^0.014t , where A is in milligrams per liter.

1. Write down A(0)

2. Find the concentration of medication left in his bloodstream after 50 minutes, round to 3 significant figures.

3. At 1:00 pm, when there is no medication in Jose's bloodstream, he takes his first dose of medication. He can take his medication again when the concentration of medication reaches 0.395 milligrams per liter. What time will Jose be able to take his medication again?

Answer 1