Answered: A self-published author found that when…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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A self-published author found that when she sold her debut novel,
as an e-book, at a price of $3.99, she sold 19 copies in one day. When she lowered the price to
$1.99, she sold 43 copies in one day. Assuming the relationship between the price and the
number sold is linear, and that she can set any price she chooses as long as it is greater than or
equal to zero, what price will maximize her daily revenue? Round your answer to the nearest
cent

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