Calculus For The Life Sciences
2nd Edition
ISBN: 9780321964038
Author: GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher: Pearson Addison Wesley,
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Question
Chapter 14.2, Problem 20E
To determine
(a)
To sketch:
The Equilibrium point of the given equation.
To determine
(b)
To sketch:
The next five values of the sequence and determine whether the equilibrium points are stable or unstable.
To determine
(c)
To sketch:
The next five values of the sequence and determine whether the equilibrium points are stable or unstable.
To determine
(d)
To sketch:
The next five values of the sequence and determine whether the equilibrium points are stable or unstable.
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Chapter 14 Solutions
Calculus For The Life Sciences
Ch. 14.1 - YOUR TURN 1 Find the first four terms of the...Ch. 14.1 - Prob. 2YTCh. 14.1 - Prob. 3YTCh. 14.1 - Prob. 4YTCh. 14.1 - Prob. 1ECh. 14.1 - Prob. 2ECh. 14.1 - Prob. 3ECh. 14.1 - Prob. 4ECh. 14.1 - Prob. 5ECh. 14.1 - Prob. 6E
Ch. 14.1 - Prob. 7ECh. 14.1 - Prob. 8ECh. 14.1 - Prob. 9ECh. 14.1 - Prob. 10ECh. 14.1 - Prob. 11ECh. 14.1 - Prob. 12ECh. 14.1 - Prob. 13ECh. 14.1 - Prob. 14ECh. 14.1 - Prob. 15ECh. 14.1 - Prob. 16ECh. 14.1 - Prob. 17ECh. 14.1 - Prob. 18ECh. 14.1 - Prob. 19ECh. 14.1 - Prob. 20ECh. 14.1 - Prob. 21ECh. 14.1 - Prob. 22ECh. 14.1 - Prob. 23ECh. 14.1 - Prob. 24ECh. 14.1 - Ricker Model Another model of population growth...Ch. 14.1 - Prob. 26ECh. 14.1 - Prob. 27ECh. 14.1 - Beverton-Holt Model Another model of population...Ch. 14.1 - Prob. 29ECh. 14.1 - Prob. 30ECh. 14.1 - Shepherd Model The Shepherd model, a modification...Ch. 14.1 - Prob. 32ECh. 14.1 - Prob. 33ECh. 14.2 - Find equilibrium points x, 0x1, for each of the...Ch. 14.2 - Prob. 2ECh. 14.2 - Prob. 3ECh. 14.2 - Prob. 4ECh. 14.2 - Prob. 5ECh. 14.2 - Prob. 6ECh. 14.2 - Prob. 7ECh. 14.2 - Prob. 8ECh. 14.2 - Prob. 9ECh. 14.2 - Prob. 10ECh. 14.2 - Prob. 11ECh. 14.2 - Prob. 12ECh. 14.2 - Prob. 13ECh. 14.2 - Prob. 14ECh. 14.2 - For each of the following functions, already...Ch. 14.2 - Prob. 17ECh. 14.2 - Prob. 18ECh. 14.2 - Prob. 19ECh. 14.2 - Prob. 20ECh. 14.2 - Prob. 21ECh. 14.3 - Prob. 1YTCh. 14.3 - Prob. 1ECh. 14.3 - Prob. 2ECh. 14.3 - Prob. 3ECh. 14.3 - Prob. 4ECh. 14.3 - Prob. 5ECh. 14.3 - Prob. 6ECh. 14.3 - Prob. 11ECh. 14.3 - Prob. 12ECh. 14.3 - Repeat the instruction of Exercise 11 for the...Ch. 14.3 - Prob. 14ECh. 14.3 - Prob. 15ECh. 14.3 - Prob. 16ECh. 14.3 - Prob. 17ECh. 14.3 - Prob. 18ECh. 14.3 - Prob. 19ECh. 14.CR - CONCEPT CHECK For Exercise 1-8 determine whether...Ch. 14.CR - Prob. 2CRCh. 14.CR - Prob. 3CRCh. 14.CR - Prob. 4CRCh. 14.CR - Prob. 5CRCh. 14.CR - Prob. 6CRCh. 14.CR - Prob. 7CRCh. 14.CR - Prob. 8CRCh. 14.CR - Prob. 9CRCh. 14.CR - Prob. 10CRCh. 14.CR - Prob. 11CRCh. 14.CR - Prob. 12CRCh. 14.CR - Find the next 4 terms of the sequence satisfying...Ch. 14.CR - Prob. 14CRCh. 14.CR - Prob. 15CRCh. 14.CR - Prob. 16CRCh. 14.CR - Prob. 17CRCh. 14.CR - Prob. 18CRCh. 14.CR - Prob. 19CRCh. 14.CR - Prob. 20CRCh. 14.CR - Prob. 21CRCh. 14.CR - Prob. 22CRCh. 14.CR - Prob. 23CRCh. 14.CR - Prob. 24CRCh. 14.CR - For each of the following functions, do the...Ch. 14.CR - Prob. 26CR
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- Harvesting renewable resources. Fishing. Suppose that the population y(t) of a certain kind of fish is given by the logistic equation (11), and fish are caught at a rate Hy proportional to y. Solve this so-called Schaefer model. Find the equilibrium solutions y1 and y2 (> 0) when H < A. The expression Y = Hy2 is called the equilibrium harvest or sustainable yield corre- sponding to H. Why? リy =Ag-@g %3Darrow_forwardI need help of this question with detail explanationarrow_forwardUsing the three difference equations listed of the SIR model, create a 3 column population model in Google Sheets which shows the population from time step 1 to time step 300. Let your starting populations be: S[t] = 99, I[t] = 1, R[t] = 0. Let alpha = 0.001, and let γ = 0.05. a. Create a line graph showing the populations of S[t], I[t], and R[t] through time. b. Holding all other variables constant, try increasing and decreasing the infection coefficient a. How does changing the value of alpha affect the behavior of the model? c. Holding all other variables constant, vary the infection coefficient γ (by increasing and decreasing the value). How does changing the value of γ affect the behavior of the model? Why?arrow_forward
- Population equilibria can be stable or unstable. If, when a population deviates a bit from the equilibrium value (as populations inevitably do), it tends to return to it, this is a stable equilibrium; if, however, when the population deviates from the equilibrium it tends to diverge from it even further, this is an unstable equilibrium. Think of a ball in the pocket of a snooker table versus a ball balanced on a snooker cue. Unstable equilibria are a feature of Allee effect models such as the following. dN Use a phase portrait of the autonomous equation above to determine whether the nonzero equilibria that you found in question (2) are stable or unstable. (Hint: See Section 2.1 of the text. List the equilibria according to their stability. Enter your answers as comma-separated lists. If there are no equilibria in a certain category, enter NONE.) stable N = unstable N =arrow_forwardAssume that the growth of peacocks obey the rule dP p3 – 17P² – 38P dt Here P represents the population of peacocks and t represents the time variable. (a) Find all biologically reasonable equilibrium points. (b) Determine the stability of each biologically reasonable equilibrium. (c) Draw a phase-line diagram. (d) If there are initially 19 peacocks, how many will there be eventually?arrow_forward
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