Concept explainers
(a)
To calculate: The rate of increase of sea level in
(b)
To calculate: The rate of increase in sea level in
(c)
To graph: The sketch of the function L for
(d)
The comments on the assertion according to James Stewart who is a summer intern at Duffin House publishers, that “the cubic curve comes from doing a regression on original data and therefore reflects the actual trend of the data and this is reality and cannot argue against reality”.
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Applied Calculus
- Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to 2012. a. Let x represent time in years starting with x=0 for the year 1997. Let y represent the number of seals in thousands. Use logistic regression to fit a model to these data. b. Use the model to predict the seal population for the year 2020. c. To the nearest whole number, what is the limiting value of this model?arrow_forwardFor the following exercises, use Table 4 which shows the percent of unemployed persons 25 years or older who are college graduates in a particular city, by year. Determine whether the trend appears linear. If so, and assuming the trend continues, find a linear regression model to predict the percent of unemployed in a given year to three decimal places.arrow_forwardFor the following exercise, consider this scenario: In 2004, a school population was 1,700. By 2012 the population had grown to 2,500. Assume the population is changing linearly. a. How much did the population grow between the year 2004 and 2012? b. What is the average population growth per year? c. Find an equation for the population, P, of the school t years after 2004.arrow_forward
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