#6 -1 point if raw meat is allowed to thaw at 50°f, salmonella grows at a rate of 9% per hour. a. write a formula for the amount of salmonella present after t hours, if the initial amount is s a(t) a. health officials advise that the amount of salmonella initially present in meat should not be allowed to increase by more than 50%. how long can meat be left to thaw at 50° f? round your answer to the nearest tenth of an hour. hours
#7 1 point the concentration of a certain drug injected into the bloodstream decreases by 20% each hour as the drug is eliminated from the body. the initial dose creates a concentration of 0.9 milligrams per milliliter. a. write a function for the concentration of the drug as a function of time. c(t) the minimum effective concentration of the drug is 0.6 milligrams per milliliter. when should the second dose be administered? round your answe a. r to the nearest tenth of an hour hours verify your answer with a graph.
#7 1 point the concentration of a certain drug injected into the bloodstream decreases by 20% each hour as the drug is eliminated from the body. the initial dose creates a concentration of 0.9 milligrams per milliliter. a. write a function for the concentration of the drug as a function of time. c(t) the minimum effective concentration of the drug is 0.6 milligrams per milliliter. when should the second dose be administered? round your answe a. r to the nearest tenth of an hour hours verify your answer with a graph.