# Suppose that fraction used = / 1.0 + 0.1Mt. for some parameter 1. Write

## Question:

The model describing the dynamics of the concentration of medication in the bloodstream, Mt+1 = 0.5Mt + 1.0, Becomes nonlinear if the fraction of medication used is a function of the concentration. In the basic model, half is used no matter how much there is. More generally, new concentration = old concentration - fraction used × old concentration + supplement Suppose that the fraction used is a decreasing function of the concentration. The above problem looks at two cases. In each, find the equilibrium concentration.

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**Related Book For**

## Modeling the Dynamics of Life Calculus and Probability for Life Scientists

**ISBN:** 978-0840064189

3rd edition

**Authors:** Frederick R. Adler