A social-networking site tracked the growth of its membership during its first eighteen months. Number of Months
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A social-networking site tracked the growth of its membership during its first eighteen months.
Number of Months | 3 | 6 | 9 | 12 | 15 | 18 |
Number of Users (thousands) | 4.0 | 10.8 | 14.0 | 17 | 19.2 | 20.6 |
a)Determine a curve of best fit for the data using logarithmic regression. Record the logarithmic function in the form of an equation. Briefly state the steps you took to find your equation. (2 marks)
b)Use your graph to estimate the number of users after 3 years, to the nearest whole number user. Show your work and/or briefly explain the steps you took. (2 marks)
c) When is the number of users expected to reach 26,000? Show a full graphical solution. Answer to the nearest month. (5 marks)
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