  # A publishing company estimates that when a new book by a best-selling author is introduced, its sales can be modeled asn(x)68.95thousand bookssold in the United States by the end of the xth week. Sales outside the United States can be modeled asa(x) 0.127x thousand bookssold 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.t(x)thousand books(b) Write the rate-of-change formula for the total number of copies sold by the end of the xth weekt'(x) =thousand books per week(c) How many copies of the book will be sold by the end of 52 weeks? (Round your answer to three decimal places.)thousand books(d) How rapidly are books selling after 52 weeks? (Round your answer to three decimal places.)thousand books per weekWrite the answer in a sentence of practical interpretationAt the end of 52 weeks, sales areSelect-thousand books per week.by

Question help_outlineImage TranscriptioncloseA publishing company estimates that when a new book by a best-selling author is introduced, its sales can be modeled as n(x)68.95 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. t(x) thousand books (b) Write the rate-of-change formula for the total number of copies sold by the end of the xth week t'(x) = thousand books per week (c) How many copies of the book will be sold by the end of 52 weeks? (Round your answer to three decimal places.) 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 areSelect- thousand books per week. by fullscreen
check_circleExpert Solution
Step 1

As per norms, the first three questions are answered. The problem concerns applying...

### Want to see the full answer?

See Solution

#### Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour*

See Solution
*Response times may vary by subject and question
Tagged in

### Calculus 