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U.S. Cell Phone Subscribers The number of cell phone subscribers in the United States between the years 2000 and 2010 is approximated by the function 385.474 N(t) = (0 sts 10) 1+ 2.521e-0.214t where N(t) is measured in millions and t is measured in years, with t = 0 corresponding to the year 2000.t How many cell phone subscribers were there in the United States in 2000? (Round your answer to one decimal place.) million subscribers If the trend continued, how many subscribers were there in 2013? (Round your answer to one decimal place.) million subscribers

U.S. Cell Phone Subscribers The number of cell phone subscribers in the United States between the years 2000 and 2010 is approximated by the function 385.474 N(t) = (0 sts 10) 1+ 2.521e-0.214t where N(t) is measured in millions and t is measured in years, with t = 0 corresponding to the year 2000.t How many cell phone subscribers were there in the United States in 2000? (Round your answer to one decimal place.) million subscribers If the trend continued, how many subscribers were there in 2013? (Round your answer to one decimal place.) million subscribers

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.1: Quadratic Functions And Models
Problem 58E
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U.S. Cell Phone Subscribers The number of cell phone subscribers in the United States between the years 2000 and 2010 is approximated by the function 385.474 N(t) = (0 sts 10) 1 + 2.521e-0.214t where N(t) is measured in millions and t is measured in years, with t = 0 corresponding to the year 2000.t How many cell phone subscribers were there in the United States in 2000? (Round your answer to one decimal place.) million subscribers If the trend continued, how many subscribers were there in 2013? (Round your answer to one decimal place.) million subscribers
Transcribed Image Text:U.S. Cell Phone Subscribers The number of cell phone subscribers in the United States between the years 2000 and 2010 is approximated by the function 385.474 N(t) = (0 sts 10) 1 + 2.521e-0.214t where N(t) is measured in millions and t is measured in years, with t = 0 corresponding to the year 2000.t How many cell phone subscribers were there in the United States in 2000? (Round your answer to one decimal place.) million subscribers If the trend continued, how many subscribers were there in 2013? (Round your answer to one decimal place.) million subscribers
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