The Heart of Mathematics: An Invitation to Effective Thinking, WileyPLUS NextGen Card with Loose-leaf Set Single Semester: An Invitation to Effective Thinking (Key Curriculum Press)
4th Edition
ISBN: 9781119760054
Author: Burger, Edward B. , Starbird, Michael
Publisher: Wiley (WileyPLUS Products)
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Question
Chapter 6.2, Problem 44MS
To determine
To find: The number of vertices, edges and regions in the planer graph.
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Calculs Insights
πT
| cos x |³ dx
59
2
2. Consider the ODE
u' = ƒ (u) = u² + r
where r is a parameter that can take the values r = −1, −0.5, -0.1, 0.1. For each value of r:
(a) Sketch ƒ(u) = u² + r and determine the equilibrium points.
(b) Draw the phase line.
(d) Determine the stability of the equilibrium points.
(d) Plot the direction field and some sample solutions,i.e., u(t)
(e) Describe how location of the equilibrium points and their stability change as you increase the
parameter r.
(f) Using the matlab program phaseline.m generate a solution for each value of r and the initial
condition u(0) = 0.9. Print and turn in your result for r = −1. Do not forget to add a figure caption.
(g) In the matlab program phaseline.m set the initial condition to u(0) = 1.1 and simulate the ode
over the time interval t = [0, 10] for different values of r. What happens? Why? You do not need to
turn in a plot for (g), just describe what happens.
The following are suggested designs for group sequential studies. Using PROCSEQDESIGN, provide the following for the design O’Brien Fleming and Pocock.• The critical boundary values for each analysis of the data• The expected sample sizes at each interim analysisAssume the standardized Z score method for calculating boundaries.Investigators are evaluating the success rate of a novel drug for treating a certain type ofbacterial wound infection. Since no existing treatment exists, they have planned a one-armstudy. They wish to test whether the success rate of the drug is better than 50%, whichthey have defined as the null success rate. Preliminary testing has estimated the successrate of the drug at 55%. The investigators are eager to get the drug into production andwould like to plan for 9 interim analyses (10 analyzes in total) of the data. Assume thesignificance level is 5% and power is 90%.Besides, draw a combined boundary plot (OBF, POC, and HP)
Chapter 6 Solutions
The Heart of Mathematics: An Invitation to Effective Thinking, WileyPLUS NextGen Card with Loose-leaf Set Single Semester: An Invitation to Effective Thinking (Key Curriculum Press)
Ch. 6.1 - Map maker, map maker make me a graph. Represent...Ch. 6.1 - Unabridged list. Represent cach landmass from...Ch. 6.1 - Will the walk work? Does your graph from...Ch. 6.1 - Walk around the house. Is it possibel to traverse...Ch. 6.1 - Walk the line. Does this graph above have an Euler...Ch. 6.1 - Walkabout. Does this graph have an Euler circuit?...Ch. 6.1 - Linking the loops. In this map, the following...Ch. 6.1 - Scenic drive. (S) Here is a map of Rockystone...Ch. 6.1 - Under-edged. (H) Does this graph have an Euler...Ch. 6.1 - No man is an island. The country of Pelago...
Ch. 6.1 - Path-o-rama. For each graph below, determine if...Ch. 6.1 - Walk around the block. Create a graph of the...Ch. 6.1 - Walking the dogs. Your dogs, Abbey and Bear, love...Ch. 6.1 - Delivery query. The next time you see a postal...Ch. 6.1 - Snow job. (ExH) Shown here is a map of the tiny...Ch. 6.1 - Special delivery. (ExH) Julia is the letter...Ch. 6.1 - Draw this old house. Suppose you wanted to trace...Ch. 6.1 - Path of no return. Consider this map showing a...Ch. 6.1 - Without a trace. Is it possibel to trace out...Ch. 6.1 - New Euler. In the three previous Mindscapes, you...Ch. 6.1 - New edge—new circuit. Look at the graph for...Ch. 6.1 - New edge—new path. Review your work for...Ch. 6.1 - Path to proof. Suppose you have a connected graph...Ch. 6.1 - No Euler no how. Look at graph (a) for Mindscape...Ch. 6.1 - Degree day. (S) For cach graph below, determine...Ch. 6.1 - degrees of proof. Review your work for Mindscape...Ch. 6.1 - Degrees in sequence. Can you draw a graph that has...Ch. 6.1 - Even Steven. Review your work in Mindscape 28 to...Ch. 6.1 - Little League lesson. (H) You are in charge of...Ch. 6.1 - With a group of folks. In a small group, discuss...Ch. 6.1 - Power beyond the mathematics. Provide several...Ch. 6.1 - Here we celebrate the power of algebra as a...Ch. 6.1 - Here we celebrate the power of algebra as a...Ch. 6.1 - Here we celebrate the power of algebra as a...Ch. 6.1 - Here we celebrate the power of algebra as a...Ch. 6.1 - Here we celebrate the power of algebra as a...Ch. 6.2 - What a character! What expression gives the Euler...Ch. 6.2 - Count, then verify. What are the values of V, E,...Ch. 6.2 - Sneeze, then verify. Look at an unopened tissue...Ch. 6.2 - Blow, then verify. Inflate a ballon and use a...Ch. 6.2 - Add one. Find the values V, E, and F for the graph...Ch. 6.2 - Bowling. What is the Euler Characteristic of the...Ch. 6.2 - Making change. We begin with the graph pictured at...Ch. 6.2 - Making a point. Take a connected graph and add a...Ch. 6.2 - On the edge (H). Is it possible to add an edge to...Ch. 6.2 - Soap films. Consider the following sequence of...Ch. 6.2 - Dualing. What is the relationship between the...Ch. 6.2 - Prob. 12MSCh. 6.2 - Lots of separation. Suppose we are told that a...Ch. 6.2 - Prob. 14MSCh. 6.2 - Psychic readings. Someone is thinking of a...Ch. 6.2 - Prob. 16MSCh. 6.2 - Prob. 17MSCh. 6.2 - Circular reasoning. Create a connected graph as...Ch. 6.2 - Prob. 19MSCh. 6.2 - More circles. Consider the sphere described in...Ch. 6.2 - In the rough (S). Count the number of facets,...Ch. 6.2 - Cutting corners (H). The following collection of...Ch. 6.2 - Stellar. The following collection of pictures...Ch. 6.2 - A torus graph (ExH). The Euler Characteristic...Ch. 6.2 - Regular unfolding. Each graph below represents...Ch. 6.2 - A tale of two graphs. Suppose we draw a graph that...Ch. 6.2 - Two graph conjectures (S). Can you conjecture a...Ch. 6.2 - Lots of graphs conjecture. Can you conjecture a...Ch. 6.2 - Torus count. Three hollowed, triangular prisms...Ch. 6.2 - Torus two count (H). Carefully count the number of...Ch. 6.2 - Torus many count. Using the preceding calculations...Ch. 6.2 - Prob. 32MSCh. 6.2 - Tell the truth. Someone said that she made a...Ch. 6.2 - No sphere. Suppose we have a sphere built out of...Ch. 6.2 - Soccer ball. A soccer ball is made of pentagons...Ch. 6.2 - Klein bottle. Using the diagram here for building...Ch. 6.2 - Not many neighbors. Show that every map has at...Ch. 6.2 - Infinite edges. Suppose we consider a conn ected...Ch. 6.2 - Here we celebrate the power of algebra as a...Ch. 6.2 - Prob. 44MSCh. 6.2 - Prob. 45MSCh. 6.2 - Here we celebrate the power of algebra as a...Ch. 6.2 - Here we celebrate the power of algebra as a...Ch. 6.3 - Dont be cross. Here is a drawing of a graph with...Ch. 6.3 - De Plane! De Plane! (S) Is the graph given in...Ch. 6.3 - Countdown (H). For the graph drawing shown, count...Ch. 6.3 - Prob. 4MSCh. 6.3 - Criss-Cross. Is it possible to redraw the graph...Ch. 6.3 - Dont cross in the edge. Each of the graphs drawn...Ch. 6.3 - Hot crossed buns. Each of the graphs drawn below...Ch. 6.3 - Prob. 8MSCh. 6.3 - Spider on a mirror. Is it possible to redraw the...Ch. 6.3 - One more vertex. The graph here is drawn to show...Ch. 6.3 - Yet one more vertex (H). The graph shown is drawn...Ch. 6.3 - Familiar freckles. Is it possible to redraw the...Ch. 6.3 - Remind you of anyone you know? Is it possible to...Ch. 6.3 - Final countdown. For this graph drawing, count the...Ch. 6.3 - Euler check-up. Use your answer to the previous...Ch. 6.3 - Euler second opinion. For the graph drawing shown...Ch. 6.3 - Prob. 17MSCh. 6.3 - Prob. 18MSCh. 6.3 - A colorful museum. This figure shows the floor...Ch. 6.3 - Limit of 5. Start drawing a planar graph. Keep...Ch. 6.3 - Starring the hexagon. Is it possible to redraw...Ch. 6.3 - Prob. 22MSCh. 6.3 - Prob. 23MSCh. 6.3 - Getting greedy. (H) Suppose you are asked to color...Ch. 6.3 - Stingy rather than greedy. By coloring the...Ch. 6.3 - Getting more colorful. Graphs dont have to be...Ch. 6.3 - Prob. 27MSCh. 6.3 - Prob. 28MSCh. 6.3 - Chromatically applied. There are eight radio...Ch. 6.3 - Prob. 30MSCh. 6.3 - Personal perspectives. Write a short essay...Ch. 6.3 - Here we celebrate the power of algebra as a...Ch. 6.3 - Here we celebrate the power of algebra as a...Ch. 6.3 - Prob. 37MSCh. 6.3 - Here we celebrate the power of algebra as a...Ch. 6.3 - Here we celebrate the power of algebra as a...Ch. 6.4 - Up close and personal. Create a graph to model...Ch. 6.4 - Network lookout. Find an examle of a network...Ch. 6.4 - Prob. 3MSCh. 6.4 - Hamiltonian holiday (S). You are interning for a...Ch. 6.4 - Home style. Create a graph to model the rooms in...Ch. 6.4 - Six degrees or less. Suppose this graph is a model...Ch. 6.4 - Degrees of you. Find ten willing friends or...Ch. 6.4 - Campus shortcut. Find a map of your campus and...Ch. 6.4 - Arborist lesson. Which of the graphs below are...Ch. 6.4 - Prob. 10MSCh. 6.4 - Prob. 11MSCh. 6.4 - Prob. 12MSCh. 6.4 - Prob. 13MSCh. 6.4 - Prob. 14MSCh. 6.4 - Prob. 15MSCh. 6.4 - Hamilton Study. Look at the graph you drew to...Ch. 6.4 - Business trip redux. Look back in the section and...Ch. 6.4 - Handling Hamiltons. For each graph below, find a...Ch. 6.4 - Road trip. You are checking out gradua te programs...Ch. 6.4 - Back to Hatties trip. Look back in this section...Ch. 6.4 - Solve the Icosian Game. Find a Hamiltonian circuit...Ch. 6.4 - Hunt for Hamilton (S). A large island country has...Ch. 6.4 - Has no Hamilton. Give some characteristics that...Ch. 6.4 - Cubing Hamilton (ExH). Can you find a Hamihonian...Ch. 6.4 - Hamiltonian path. A Hamiltonian path is a path in...Ch. 6.4 - Sorry, no path. Give some characteristics that...Ch. 6.4 - Prob. 27MSCh. 6.4 - Prob. 28MSCh. 6.4 - Prob. 29MSCh. 6.4 - Prob. 30MSCh. 6.4 - Edge count. Look at all the trees you drew in the...Ch. 6.4 - Personal perspecthes. Write a short essay...Ch. 6.4 - Prob. 33MSCh. 6.4 - Prob. 34MSCh. 6.4 - Dollars and cents. Your spanning tree has three...Ch. 6.4 - Adding up. Your spanning tree has four edges with...Ch. 6.4 - Prob. 38MSCh. 6.4 - Vertex search (H). Your graph has a Hamiltonian...Ch. 6.4 - Binary gossip tree. You told a secret to two of...
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