 9.7.1: Let I be the number of infected people and S be the number of susce...
 9.7.2: Show that if S, I, and R satisfy the differential equations in 1, t...
 9.7.3: Explain how you can tell from the graph of the trajectory shown in ...
 9.7.4: (a) In a school of 150 students, one of the students has the flu in...
 9.7.5: Repeat for a school with 350 students.
 9.7.6: (a) On the slope field for dI/dS in Figure 9.45 trajectory through ...
 9.7.7: Use Figure 9.47 to estimate the maximum number of infecteds. What d...
 9.7.8: Compare the diseases modeled by each of the following differential ...
 9.7.9: For the equations (I) in 8, what is the threshold value of S?
 9.7.10: For the equations (II) in 8, suppose S0 = 100. Does the disease spr...
 9.7.11: Let S and I satisfy the differential equations in 1. Assume I = 0. ...
 9.7.12: During World War I, a particularly lethal form of flu killed about ...
Solutions for Chapter 9.7: MODELING THE SPREAD OF A DISEASE
Full solutions for Applied Calculus  5th Edition
ISBN: 9781118174920
Solutions for Chapter 9.7: MODELING THE SPREAD OF A DISEASE
Get Full SolutionsApplied Calculus was written by Patricia and is associated to the ISBN: 9781118174920. This expansive textbook survival guide covers the following chapters and their solutions. Since 12 problems in chapter 9.7: MODELING THE SPREAD OF A DISEASE have been answered, more than 6956 students have viewed full stepbystep solutions from this chapter. This textbook survival guide was created for the textbook: Applied Calculus, edition: 5. Chapter 9.7: MODELING THE SPREAD OF A DISEASE includes 12 full stepbystep solutions.

Acute triangle
A triangle in which all angles measure less than 90°

Equivalent equations (inequalities)
Equations (inequalities) that have the same solutions.

Equivalent vectors
Vectors with the same magnitude and direction.

Independent variable
Variable representing the domain value of a function (usually x).

Leading term
See Polynomial function in x.

Logarithmic regression
See Natural logarithmic regression

Magnitude of an arrow
The magnitude of PQ is the distance between P and Q

Midpoint (in Cartesian space)
For the line segment with endpoints (x 1, y1, z 1) and (x2, y2, z2), ax 1 + x 22 ,y1 + y22 ,z 1 + z 22 b

Octants
The eight regions of space determined by the coordinate planes.

Scalar
A real number.

Secant
The function y = sec x.

Standard form of a complex number
a + bi, where a and b are real numbers

Sum of an infinite series
See Convergence of a series

Sum of functions
(ƒ + g)(x) = ƒ(x) + g(x)

Synthetic division
A procedure used to divide a polynomial by a linear factor, x  a

System
A set of equations or inequalities.

Translation
See Horizontal translation, Vertical translation.

Vertical stretch or shrink
See Stretch, Shrink.

Window dimensions
The restrictions on x and y that specify a viewing window. See Viewing window.

xcoordinate
The directed distance from the yaxis yzplane to a point in a plane (space), or the first number in an ordered pair (triple), pp. 12, 629.
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