ales for exercise equipment in a country were $1830 million in 1990 and $5108 million in 2005. Use the regression feature of a graphing utility to find an exponential growth model and a linear model for the data. (Use y to represent sales in millions of dollars and t to represent years after 1990. Round your values to four decimal places.) exponential model linear model y = y = X X Use the exponential growth model to estimate the sales in 2013. (Round your answer to one decimal place.) $ Use the linear model to estimate the sales in 2013. (Round your answer to one decimal place.) $ Use a graphing utility to graph the models from part (a). Which model is more accurate? O The exponential model is more O The linear model is more accurate. O More information is needed.
ales for exercise equipment in a country were $1830 million in 1990 and $5108 million in 2005. Use the regression feature of a graphing utility to find an exponential growth model and a linear model for the data. (Use y to represent sales in millions of dollars and t to represent years after 1990. Round your values to four decimal places.) exponential model linear model y = y = X X Use the exponential growth model to estimate the sales in 2013. (Round your answer to one decimal place.) $ Use the linear model to estimate the sales in 2013. (Round your answer to one decimal place.) $ Use a graphing utility to graph the models from part (a). Which model is more accurate? O The exponential model is more O The linear model is more accurate. O More information is needed.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:The sales for exercise equipment in a country were $1830 million in 1990 and $5108 million in 2005.
(a) Use the regression feature of a graphing utility to find an exponential growth model and a linear model for the data. (Use y to represent
sales in millions of dollars and t to represent years after 1990. Round your values to four decimal places.)
exponential model
linear model
y =
y =
X
X
(b) Use the exponential growth model to estimate the sales in 2013. (Round your answer to one decimal place.)
$
(c) Use the linear model to estimate the sales in 2013. (Round your answer to one decimal place.)
$
(d) Use a graphing utility to graph the models from part (a). Which model is more accurate?
O The exponential model is more
ate.
The linear model is more accurate.
More information is needed.
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