Use exponential regression to fit the following data set. (Round your answers to two decimal places.) x 4 11 15 17 18 y 1.0 17.3 87.6 197.1 295.6

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3TI: Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to...
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Use exponential regression to fit the following data set. (Round your answers to two decimal places.)

x 4 11 15 17 18
y 1.0 17.3 87.6 197.1 295.6


A)Give the exponential model.

a) y = 0.24 × 1.80x
b )y = 0.20 × 1.50x
c) y = 0.18 × 0.90x
d) y = 0.14 × 2.10x
e) y = 0.28 × 1.05x
 
B) Use the model found above to calculate y(8).
y(8) = 

C) Solve y = 268 for x.
x = 
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