If a doctor prescribes 75 milligrams of a specific drug to her patient, how many milligrams of the drug will remain in the patient's bloodstream after 6 hours, if the drug
decays at a rate of 20 percent per hour? Use the function A(t) =Ie^rt and round the
solution to the nearest hundredth.

idk

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x² + 11x + 18 < 0  

[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2  

solution: (-9, -2)

step-by-step explanation:

i believe it's a.

i'm not sure on this one, most likely correct.

when the daily mileage is greater than 40 miles, unlimited mileage plan will save you money. 40 miles is the break-even point.

step-by-step explanation: