Let p=(18-5x)2 for 0≤ x ≤3 be the price at which x hundred units of a certain commodity will be sold, and let R(x)=xp(x) be the revenue obtained from the sale of the x units. For what level of production is revenue maximized?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.1: Inner Product Spaces
Problem 15BEXP
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Let p=(18-5x)2 for 0≤ x ≤3 be the price at which x hundred units of a certain commodity will be sold, and let R(x)=xp(x) be the revenue obtained from the sale of the x units. For what level of production is revenue maximized? 

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