Time (h) 14 29 48 74 104 148 Percent of 90 80 70 60 50 40 Substance (%) These data may be represented by an logarithmic regression function of the form P = a+b• ln t. %3D where Prepresents the percent of substance remaining after t hours. How many hours, to the nearest hour, will there be only one quarter of the original sample remaining.

Time (h) 14 29 48 74 104 148 Percent of 90 80 70 60 50 40 Substance (%) These data may be represented by an logarithmic regression function of the form P = a+b• ln t. %3D where Prepresents the percent of substance remaining after t hours. How many hours, to the nearest hour, will there be only one quarter of the original sample remaining.

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter5: Exponential And Logarithmic Functions

Section5.CR: Chapter Review

Problem 18E

See similar textbooks

Similar questions

What type (s) of translation (s), if any, affect thedomain ofa logarithmic function?
Enter the data from Table 2 into a graphing calculator and graph the ranking scatter plot. Determine whetherthe data from the table would likely represent a function that is linear, exponential, or logarithmic.
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?
The fox population in a certain region has an annualgrowth rate of 9 per year. In the year 2012, therewere 23,900 fox counted in the area. What is the foxpopulation predicted to be in the year 2020 ?