Jose takes medication. After t minutes, the concentration of medication left in his
bloodstream is given by A (t)=10(0,5)0014, where A is in milligrams per litre.
Write down A(0)
[1 mark]
(b)
Find the concentration of medication left in his bloodstream after 50 minutes.
[2 marks]
(c)
At 13:00, 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 litre. What time will Jose be able to
take his medication again?

Каросло    2   10.11.2020 13:31    0