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A hospital patient is receiving pain medication through an IV. The drug enters the patient's bloodstream at a constant rate r. The rate at which the drug leaves the bloodstream is proportinal to the amount of drug present. Let t represent time (measured in minutes) and let y(t) represent the amount of the drug in the bloodstream at time t.
(a) Determine the first-order ODE that models this situation.
(b) Rewrite the ODE to show tht it is linear, and state whether it is homogeneous or non-homogeneous.
(c) Describe what form the solutions to this ODE will have.
(d) Solve to find a one-parameter family of solutions.
(e) Find a particular solution satisfying the initial condition y(0)=0.
If an object is dropped from a height of 50 feet, the function d = -16t^2 + 50 gives the height of the object after t seconds. what does the input value of the function represent? what does the output value of this function represent?
Prove the following vector calculus identity in R 3 , where f is a twice continuously dierentiable scalar eld and F is a twice continuously dierentiable vector fi eld
Draw the decision tree.Show the Expected Monetary Value at each step? What strategy maximizes the dealer's profit and what is the Expected Value of Perfect Information value the dealer would place on knowing when the item will be sold
closed box with a square base has to have a volume of 3000 cubic inches. Find a function for the surface area of the box.
How many square tiles with sides 1 ft long
What was the book value of the equipment inventory at the six-year point, substituting the new hydraulic lift for the original after the new lift had joined the inventory?
A box with a square base has length plus girth of 114 in. (Girth is the distance "around" the box.) What are the two possible lengths of the box, if its volume is 2000 in3?
Considering window size w=2, design a Markov chain and evaluate how much improvement can be achieved. What is the tradeoff of the scheme in order to gain a better throughput?
If the sample size is 100, construct a 95% confidence interval estimate of the population proportion of individuals who trust business to "do what is right."
Curly's Life Insurance Co. is trying to sell you an investment policy that will pay you and your heirs $20,000 per year forever. If the required return on this investment is 8 percent, how much will you pay for the policy?
A ceramic bowl is turned on a potter's wheel to approximate the surface obtained by revolving the curve y= (2/3)((x^2) - 1 ) from x=1 to x=2 about the y axis. What is the approximate outside area of the bowl? [assume that each unit on the x and y ..
A child lies on the ground and looks up at the top of a 17-ft tree nearby. the child is 14 ft away from the tree. what is the angle of elevation from the child to the top of the tree?
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