Drug concentration A drug is administered intravenously to a patient at the rate of 12 mgyh. The patients body eliminates the drug over time so that after t hours the proportion that remains is e20.25t . If the patient currently has 50 mg of the drug in her bloodstream, how much of the drug is present eight hours from now?

Calculus III Notes Week 8 Post Midterm, Chapter 15 Section 1 and 2 15.1 Double Integral Introduction -Definite Integral Review For a single variable function f, the integral from a to b can be looked at as a Riemann sum. Dividing the interval a,b into subintervals of equal width and taking sample values of f at these various subintervals allows us to calculate...