Drug dosing A patient takes 75 mg of a medication every 12 hours; 60% of the medication in the blood is eliminated ever 12 hours. a. Let d, equal the amount of medication (in mg) in the blood stream after n doses, where d, tion for d. 75. Find a recurrence rela b. Show that {dn) is monotonic and bounded, and therefore con c. Find the limit of the sequence. What is the physical meaning of verges. this limit?