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9 A company's revenue from selling x units of an item is given as R- 1000 x - x? dollars. If sales are increasing at the rate of 80 units per day. Find how rapidly revenue is growing ( in dollars per day) when 400 units have been sold. (Related Rates )

9 A company's revenue from selling x units of an item is given as R- 1000 x - x? dollars. If sales are increasing at the rate of 80 units per day. Find how rapidly revenue is growing ( in dollars per day) when 400 units have been sold. (Related Rates )

Calculus: Early Transcendentals
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 company's revenue from selling x units of an item is given as R= 1000 x - x? dollars . If sales are increasing at the rate of 80 units per day. Find how rapidly revenue is growing ( in dollars per day) when 400 units have been sold. (Related Rates )
Transcribed Image Text:) A company's revenue from selling x units of an item is given as R= 1000 x - x? dollars . If sales are increasing at the rate of 80 units per day. Find how rapidly revenue is growing ( in dollars per day) when 400 units have been sold. (Related Rates )
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