EP CALCULUS:EARLY TRANS.-MYLABMATH ACC.
EP CALCULUS:EARLY TRANS.-MYLABMATH ACC.
3rd Edition
ISBN: 9780135873311
Author: Briggs
Publisher: PEARSON CO
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Chapter C, Problem 61E
To determine

To prove: The identities |z1z2|=r1r2 and argz1z2=argz1argz2.

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The spread of an infectious disease is often modeled using the following autonomous differential equation: dI - - BI(N − I) − MI, dt where I is the number of infected people, N is the total size of the population being modeled, ẞ is a constant determining the rate of transmission, and μ is the rate at which people recover from infection. Close a) (5 points) Suppose ẞ = 0.01, N = 1000, and µ = 2. Find all equilibria. b) (5 points) For the equilbria in part a), determine whether each is stable or unstable. c) (3 points) Suppose ƒ(I) = d. Draw a phase plot of f against I. (You can use Wolfram Alpha or Desmos to plot the function, or draw the dt function by hand.) Identify the equilibria as stable or unstable in the graph. d) (2 points) Explain the biological meaning of these equilibria being stable or unstable.
Find the indefinite integral. Check Answer: 7x 4 + 1x dx
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Chapter C Solutions

EP CALCULUS:EARLY TRANS.-MYLABMATH ACC.

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