A publishing company estimates that when a new book by a best-selling author is introduced, its sales can be modeled as n(x) =68.95x thousand books sold in the United States by the end of the xth week. Sales outside the United States can be modeled as a(x) 0.127x thousand books sold by the end of the xth week. (a) Write a formula for the total number of copies t sold by the end of the xth week. tx) 08.95 0.127x thousand books (b) Write the rate-of-change formula for the total number of copies sold by the end of the xth week. 68.95 0.127 thousand books per week t(x) 2x (c) How many copies of the book will be sold by the end of 52 weeks? (Round your answer to three decimal places.) 503809.521 X thousand books (d) How rapidly are books selling after 52 weeks? (Round your answer to three decimal places.) thousand books per week Write the answer in a sentence of practical interpretation At the end of 52 weeks, sales are Select thousand books per week by

A publishing company estimates that when a new book by a best-selling author is introduced, its sales can be modeled as n(x) =68.95x thousand books sold in the United States by the end of the xth week. Sales outside the United States can be modeled as a(x) 0.127x thousand books sold by the end of the xth week. (a) Write a formula for the total number of copies t sold by the end of the xth week. tx) 08.95 0.127x thousand books (b) Write the rate-of-change formula for the total number of copies sold by the end of the xth week. 68.95 0.127 thousand books per week t(x) 2x (c) How many copies of the book will be sold by the end of 52 weeks? (Round your answer to three decimal places.) 503809.521 X thousand books (d) How rapidly are books selling after 52 weeks? (Round your answer to three decimal places.) thousand books per week Write the answer in a sentence of practical interpretation At the end of 52 weeks, sales are Select thousand books per week by

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter4: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 11T: Suppose that $12,000 is invested in a saving account paying 5.6% interest per year. (a)Write the...

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