FUNCTIONS+CHANGE -WEBASSIGN
6th Edition
ISBN: 9780357422496
Author: Crauder
Publisher: CENGAGE L
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Chapter 5.1, Problem 23SBE
To determine
To find:
The formula for the logistic growth.
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Chapter 5 Solutions
FUNCTIONS+CHANGE -WEBASSIGN
Ch. 5.1 - TEST YOUR UNDERSTANDING Another fish population...Ch. 5.1 - Prob. 2TUCh. 5.1 - Prob. 3TUCh. 5.1 - Special Rounding instructions When you perform...Ch. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Special Rounding Instructions When you perform...
Ch. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Prob. 11ECh. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Prob. 13ECh. 5.1 - Long-Term Data and the Carrying Capacity This is a...Ch. 5.1 - Prob. 15ECh. 5.1 - Cable TV The following table shows the number C....Ch. 5.1 - World Population The following table shows world...Ch. 5.1 - Prob. 18ECh. 5.1 - More on the Pacific Sardine This is a continuation...Ch. 5.1 - Modeling Human Height with a Logistic Function A...Ch. 5.1 - Eastern Pacific Yellowfin Tuna Studies to fit a...Ch. 5.1 - Prob. 22ECh. 5.1 - Special Rounding Instructions When you perform...Ch. 5.1 - Prob. 24ECh. 5.1 - SKILL BUILDING EXERCISES Estimating Optimum Yield...Ch. 5.1 - SKILL BUILDING EXERCISES Estimating Carrying...Ch. 5.1 - SKILL BUILDING EXERCISES Logistic GrowthWhen we...Ch. 5.1 - SKILL BUILDING EXERCISES Percentage Rate of Change...Ch. 5.1 - SKILL BUILDING EXERCISES HarvestingWhat is the...Ch. 5.1 - SKILL BUILDING EXERCISES Harvesting Suppose a...Ch. 5.1 - SKILL BUILDING EXERCISES Harvesting Continued The...Ch. 5.1 - SKILL BUILDING EXERCISES Finding Logistic...Ch. 5.1 - Prob. 9SBECh. 5.1 - Prob. 10SBECh. 5.1 - Prob. 11SBECh. 5.1 - Prob. 12SBECh. 5.1 - Prob. 13SBECh. 5.1 - Prob. 14SBECh. 5.1 - Prob. 15SBECh. 5.1 - Prob. 16SBECh. 5.1 - Prob. 17SBECh. 5.1 - Prob. 18SBECh. 5.1 - Prob. 19SBECh. 5.1 - Prob. 20SBECh. 5.1 - Prob. 21SBECh. 5.1 - Prob. 22SBECh. 5.1 - Prob. 23SBECh. 5.1 - Prob. 24SBECh. 5.1 - Prob. 25SBECh. 5.1 - Prob. 26SBECh. 5.1 - Prob. 27SBECh. 5.1 - Prob. 28SBECh. 5.1 - Prob. 29SBECh. 5.1 - Prob. 30SBECh. 5.1 - Prob. 31SBECh. 5.1 - Prob. 32SBECh. 5.1 - Prob. 33SBECh. 5.1 - Prob. 34SBECh. 5.1 - Prob. 35SBECh. 5.1 - Prob. 36SBECh. 5.1 - Prob. 37SBECh. 5.2 - TEST YOUR UNDERSTANDING In the situation of the...Ch. 5.2 - Prob. 2TUCh. 5.2 - Prob. 3TUCh. 5.2 - Prob. 1ECh. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Prob. 4ECh. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Prob. 6ECh. 5.2 - Prob. 7ECh. 5.2 - Prob. 8ECh. 5.2 - Prob. 9ECh. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Prob. 15ECh. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Tsunami Waves and BreakwatersThis is a...Ch. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Prob. 19ECh. 5.2 - Prob. 20ECh. 5.2 - Prob. 21ECh. 5.2 - Prob. 22ECh. 5.2 - Reminder Round all answers to two decimal places...Ch. 5.2 - Prob. 24ECh. 5.2 - Prob. 25ECh. 5.2 - Prob. 1SBECh. 5.2 - Prob. 2SBECh. 5.2 - Prob. 3SBECh. 5.2 - Prob. 4SBECh. 5.2 - Prob. 5SBECh. 5.2 - Prob. 6SBECh. 5.2 - HomogeneityExercises S-7 through S-I3 deal with...Ch. 5.2 - Homogeneity Exercises S-7 through S-13 deal with...Ch. 5.2 - HomogeneityExercises S-7 through S-I3 deal with...Ch. 5.2 - Prob. 10SBECh. 5.2 - Prob. 11SBECh. 5.2 - Homogeneity Exercises S-7 through S-13 deal with...Ch. 5.2 - Prob. 13SBECh. 5.2 - Prob. 14SBECh. 5.2 - Prob. 15SBECh. 5.2 - Prob. 16SBECh. 5.2 - Making Power FormulasIn Exercises S-16 through...Ch. 5.2 - Prob. 18SBECh. 5.2 - Making Power FormulasIn Exercises S-16 through...Ch. 5.2 - Prob. 20SBECh. 5.3 - Prob. 1TUCh. 5.3 - Prob. 2TUCh. 5.3 - Prob. 3TUCh. 5.3 - Zipfs Law The following table shows U.S cities by...Ch. 5.3 - Planetary Velocity The following table gives the...Ch. 5.3 - Stopping Distance The table below shows the...Ch. 5.3 - Distance to the Horizon A sailor records the...Ch. 5.3 - Hydroplaning On wet roads, under certain...Ch. 5.3 - Urban Travel Times Population of cities and...Ch. 5.3 - Mass-Luminosity Relation Roughly 90 of all stars...Ch. 5.3 - Growth Rate Versus Weight Ecologists have studied...Ch. 5.3 - Prob. 9ECh. 5.3 - Prob. 10ECh. 5.3 - Prob. 11ECh. 5.3 - Prob. 12ECh. 5.3 - Prob. 13ECh. 5.3 - Prob. 14ECh. 5.3 - Prob. 15ECh. 5.3 - Prob. 16ECh. 5.3 - Prob. 17ECh. 5.3 - Reminder Round all answers to two decimal places...Ch. 5.3 - Prob. 19ECh. 5.3 - Weight Versus Height The following data show the...Ch. 5.3 - Prob. 21ECh. 5.3 - Prob. 22ECh. 5.3 - Prob. 1SBECh. 5.3 - Prob. 2SBECh. 5.3 - Prob. 3SBECh. 5.3 - Prob. 4SBECh. 5.3 - An Easy Power Formula Model the following data...Ch. 5.3 - Prob. 6SBECh. 5.3 - Prob. 7SBECh. 5.3 - Prob. 8SBECh. 5.3 - Prob. 9SBECh. 5.3 - Prob. 10SBECh. 5.3 - Prob. 11SBECh. 5.3 - Prob. 12SBECh. 5.3 - Prob. 13SBECh. 5.3 - Prob. 14SBECh. 5.3 - Prob. 15SBECh. 5.3 - Prob. 16SBECh. 5.3 - Prob. 17SBECh. 5.4 - TEST YOUR UNDERSTANDING | FOR EXAMPLE 5.10 When...Ch. 5.4 - Prob. 2TUCh. 5.4 - TEST YOUR UNDERSTANDING | FOR EXAMPLE 5.12 Find a...Ch. 5.4 - Prob. 4TUCh. 5.4 - EXERCISES Reminder Round all answers to two...Ch. 5.4 - Round all answers to two decimal places unless...Ch. 5.4 - EXERCISE River flow The cross sectional area C, in...Ch. 5.4 - EXERCISES Net Profit Margin The net profit margin...Ch. 5.4 - A Skydiver If a skydiver jumps from an airplane,...Ch. 5.4 - Present Value If you invest P dollars the present...Ch. 5.4 - Prob. 7ECh. 5.4 - Prob. 8ECh. 5.4 - Prob. 9ECh. 5.4 - Reminder Round all answers to two decimal places...Ch. 5.4 - Reminder Round all answers to two decimal places...Ch. 5.4 - Average Traffic Spacing The headway h is the...Ch. 5.4 - Prob. 13ECh. 5.4 - Decay of Litter Litter such as leaves falls to the...Ch. 5.4 - Prob. 15ECh. 5.4 - Reminder Round all answers to two decimal places...Ch. 5.4 - Reminder Round all answers to two decimal places...Ch. 5.4 - Prob. 18ECh. 5.4 - Reminder Round all answers to two decimal places...Ch. 5.4 - Prob. 20ECh. 5.4 - SKILL BUILDING EXERCISES Formula for Composed...Ch. 5.4 - SKILL BUILDING EXERCISES Formula for Composed...Ch. 5.4 - SKILL BUILDING EXERCISES Formulas for Composed...Ch. 5.4 - SKILL BUILDING EXERCISES Formula for Composed...Ch. 5.4 - Formulas for Composed functions In Exercises S-5...Ch. 5.4 - Formulas for Composed functions In Exercises S-5...Ch. 5.4 - Formulas for Composed functions In Exercises S-5...Ch. 5.4 - Formulas for Composed functions In Exercises S-5...Ch. 5.4 - Limiting values Find the limiting value of...Ch. 5.4 - Multiplying Functions A certain function f is the...Ch. 5.4 - Adding Functions A certain function f is the sum...Ch. 5.4 - Decomposing Functions Let f(x)=x2 and g(x)=x+1....Ch. 5.4 - Decomposing Functions If f(x)=x2+3, express f as a...Ch. 5.4 - Prob. 14SBECh. 5.4 - Decomposing Functions To join a book club, you pay...Ch. 5.4 - Prob. 16SBECh. 5.4 - Combining Functions Let f(x)=x21 and g(x)=1x. Find...Ch. 5.5 - TEST FOR UNDERSTANDING FOR EXAMPLE 5.14 Find a...Ch. 5.5 - TEST YOUR UNDERSTANDINGFOR EXAMPLE 5.15 What range...Ch. 5.5 - TEST FOR UNDERSTANDING FOR EXAMPLE 5.16 In the...Ch. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - 5.5 EXERCISES Reminder Round all answers to two...Ch. 5.5 - Reminder Round all answers to two decimal places...Ch. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - Reminder Round all answers to two decimal places...Ch. 5.5 - Prob. 12ECh. 5.5 - Reminder Round all the answers to two decimal...Ch. 5.5 - Reminder Round all answers to two decimal places...Ch. 5.5 - Reminder Round all answers to two decimal places...Ch. 5.5 - Prob. 16ECh. 5.5 - 5.5 SKILL BUILDING EXERCISES Using the Quadratic...Ch. 5.5 - 5.5 SKILL BUILDING EXERCISES Using the Quadratic...Ch. 5.5 - 5.5 SKILL BUILDING EXERCISES Using the Quadratic...Ch. 5.5 - 5.5 SKILL BUILDING EXERCISES Using the Quadratic...Ch. 5.5 - 5.5 SKILL BUILDING EXERCISES Using the Quadratic...Ch. 5.5 - Prob. 6SBECh. 5.5 - The Single-Graph method In Exercises S-7 through...Ch. 5.5 - Prob. 8SBECh. 5.5 - Prob. 9SBECh. 5.5 - Prob. 10SBECh. 5.5 - Prob. 11SBECh. 5.5 - Prob. 12SBECh. 5.5 - Prob. 13SBECh. 5.5 - Prob. 14SBECh. 5.5 - Prob. 15SBECh. 5.5 - Prob. 16SBECh. 5.5 - Prob. 17SBECh. 5.5 - Prob. 18SBECh. 5.5 - Prob. 19SBECh. 5.5 - Using Quadratic Regression In Exercises S-13...Ch. 5.6 - The following fictitious table shows kryptonite...Ch. 5.6 - According to Doyle log rule, the length L in feet,...Ch. 5.6 - Prob. 3TUCh. 5.6 - A Dubious Model of Oil Prices The following table...Ch. 5.6 - Speed of Sound in the North Atlantic The speed of...Ch. 5.6 - Traffic Accidents The following table shows the...Ch. 5.6 - Poiseuilles Law for Rate of Fluid Flow Poiseuilles...Ch. 5.6 - Population Genetics In the study of population...Ch. 5.6 - Population Genetics-First Cousins This is a...Ch. 5.6 - Builders old measurement was instituted by law in...Ch. 5.6 - Change in London Travel Time This exercise is a...Ch. 5.6 - An Epidemic Model A certain disease is contracted...Ch. 5.6 - Prob. 10ECh. 5.6 - Prob. 11ECh. 5.6 - C of these fish caught by fishing over the life...Ch. 5.6 - Prob. 13ECh. 5.6 - Prob. 14ECh. 5.6 - 13. Inventory The yearly inventory expense E, in...Ch. 5.6 - Prob. 16ECh. 5.6 - Prob. 17ECh. 5.6 - Prob. 18ECh. 5.6 - Prob. 19ECh. 5.6 - Prob. 20ECh. 5.6 - Cubic Regression In Exercise S-1 through S-7, use...Ch. 5.6 - Cubic Regression In Exercise S-1 through S-7, use...Ch. 5.6 - Cubic Regression In Exercise S-1 through S-7, use...Ch. 5.6 - Prob. 4SBECh. 5.6 - Prob. 5SBECh. 5.6 - Cubic Regression In Exercise S-1 through S-7, use...Ch. 5.6 - Prob. 7SBECh. 5.6 - Prob. 8SBECh. 5.6 - Prob. 9SBECh. 5.6 - Prob. 10SBECh. 5.6 - Prob. 11SBECh. 5.6 - Prob. 12SBECh. 5.6 - Prob. 13SBECh. 5.6 - Quartic Regression In Exercise S-8 through S-14,...Ch. 5.6 - Recognizing Polynomials In Exercise S-15 through...Ch. 5.6 - Recognizing Polynomials In Exercise S-15 through...Ch. 5.6 - Recognizing Polynomials In Exercise S-15 through...Ch. 5.6 - Recognizing Polynomials In Exercise S-15 through...Ch. 5.6 - Rational Function Is y=xx1+x a rational function?Ch. 5.6 - S-20 Rational Function Is y=x3+4x2+x+1 is a...Ch. 5.6 - Rational Function? Is y=x+1x2 is a rational...Ch. 5.6 - Finding Poles Find the poles of y=xx23x+2.Ch. 5.6 - Finding Poles Find the poles of y=x+1x2+7x.Ch. 5.6 - Horizontal Asymptotes Find all the horizontal...Ch. 5.6 - Horizontal Asymptotes Find all the horizontal...Ch. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Prob. 4CRCh. 5.CR - Prob. 5CRCh. 5.CR - Prob. 6CRCh. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Prob. 8CRCh. 5.CR - Prob. 9CRCh. 5.CR - Prob. 10CRCh. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Prob. 12CRCh. 5.CR - Prob. 13CRCh. 5.CR - Prob. 14CRCh. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Prob. 16CRCh. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.CR - Prob. 20CRCh. 5.CR - Reminder Round all answers to two decimal places...Ch. 5.FR1 - Prob. 1ECh. 5.FR1 - Prob. 2ECh. 5.FR1 - Prob. 3ECh. 5.FR1 - Prob. 4ECh. 5.FR1 - Prob. 5ECh. 5.FR1 - Prob. 6ECh. 5.FR1 - Prob. 7ECh. 5.FR1 - Prob. 8ECh. 5.FR2 - Prob. 1ECh. 5.FR2 - Prob. 2ECh. 5.FR2 - Prob. 3ECh. 5.FR2 - Prob. 4ECh. 5.FR2 - Prob. 5ECh. 5.FR2 - Prob. 6ECh. 5.FR2 - Prob. 7ECh. 5.FR2 - Prob. 8ECh. 5.FR2 - Prob. 9ECh. 5.FR2 - Prob. 10ECh. 5.FR2 - Prob. 11ECh. 5.FR2 - Prob. 12ECh. 5.FR2 - Prob. 13ECh. 5.FR2 - Reminder Round all answers to two decimal places...Ch. 5.FR2 - Prob. 15E
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- Buffalo: Waterton Lakes National Park of Canada, where the Great Plains dramatically meet the Rocky Mountains in Alberta, has a migratory buffalo bison herd that spends falls and winters in the park. The herd is currently managed and so kept small; however, if it were unmanaged and allowed to grow, then the number N of buffalo in the herd could be estimated by the logistic formula N=3151+14e0.23t Here t is the number of years since the beginning of 2002, the first year the herd is unmanaged. a. Make a graph of N versus t covering the next 30 years of the herds existance corresponding to dates up to 2032. b. How many buffalo are in the herd at the beginning of 2002? c. When will the number of buffalo first exceed 300?. d. How many buffalo will there eventually be in the herd? e. When is the graph of N, as a function of t, concave up? When is it concave down? What does this mean in terms of the growth of the buffalo herd?.arrow_forwardSKILL BUILDING EXERCISES Estimating Optimum Yield In Figure 5.16, a logistic growth curve is sketched. Estimate the optimum yield level and the time when this population should be harvested. FIGURE 5.16 A logistic growth curvearrow_forwardMore on the Pacific Sardine This is a continuation of Example 5.1. In this exercise, we explore the Pacific sardine population further, using the model in Example 5.1. a. If the current level of the Pacific sardine population is 50,000 tons, how long will it take for the population to recover to the optimum growth level of 1.2milliontons? Suggestion: One way to solve this is to make a new logistic formula using K2.4, r0.338, and N(0)0.05. b. The value of r used in Example 5.1 ignores the effects of fishing. If fishing mortality is taken into account, then r drops to 0.215 per year with the carrying capacity still at 2.4milliontons. Answer the question in part a using this lower value of r. Note: The population estimate of 50,000 tons and the adjusted value of r are given in the paper by Murphy see footnote 3 on page 347. Murphy points out that factoring in the growth of the competing anchovy population makes the recovery times even longer, and he adds. "It is disconcerting to realize how slowly the population will recover to its level of maximum productivity ... even if fishing stops." Studies to fit a logistic model to the Pacific sardine population have yielded. N=241+239e0.338t where t is measured in years and N is measured in millions of tons of fish. Part 1 What is r for the Pacific sardine? Part 2 According to the logistic model, in the absence of limiting factors, what would be the annual percentage growth rate for the Pacific sardine? Part 3 What is the environmental carrying capacity K? Part 4 What is the optimum yield level? Part 5 Make a graph of N versus t. Part 6 At what time t should the population he harvested? Part 7 What portion of the graph is concave up? What portion is concave down?arrow_forward
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