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A drug is administered every 6 hours. The kidneys eliminate 55% of the drug over that period. The initial dose is 210 mg. Repeated dosage is 70 mg

What is the “Difference equation”? Find the first seven terms of the of the solution sequence. Round to two digits each sequence value.

Graph the “Difference equation in (a).
What is the “Maintenance level” for the medication? Round your answer to two digits.

How much of the drug remains in the body after 18 hours? Use the solution formula to the difference equation. (Page 366).

How much of the drug remains in the body after one week? Use the solution formula to the difference equation. (Page 366).

How much should the repeated dosage be to ensure a maintenance level of 40 mg?