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The demand, D, for a new rollerball pen is given by D= 0.007p3 - 0.8p? + 170p, where p is the price in dollars. a) Find the rate of change of quantity with respect to price, dD/dp. b)How many units will consumers want to buy when the price is $25 per unit? c) Find the rate of change at p= 25, and interpret this result. djwould you expect dD/dp to be positive or negative? dD dp

The demand, D, for a new rollerball pen is given by D= 0.007p3 - 0.8p? + 170p, where p is the price in dollars. a) Find the rate of change of quantity with respect to price, dD/dp. b)How many units will consumers want to buy when the price is $25 per unit? c) Find the rate of change at p= 25, and interpret this result. djwould you expect dD/dp to be positive or negative? dD dp

Elementary Geometry for College Students
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
Problem 42E: A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft...
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The demand, D, for a new rollerball pen is given by D= 0.007p - 0.8p2 + 170p, where p is the price in dollars. a) Find the rate of change of quantity with respect to price, dD/dp. b)How many units will consumers want to buy when the price is $25 per unit? c) Find the rate of change at p= 25, and interpret this result. d)Would you expect dD/dp to be positive or negative? a)
Transcribed Image Text:The demand, D, for a new rollerball pen is given by D= 0.007p - 0.8p2 + 170p, where p is the price in dollars. a) Find the rate of change of quantity with respect to price, dD/dp. b)How many units will consumers want to buy when the price is $25 per unit? c) Find the rate of change at p= 25, and interpret this result. d)Would you expect dD/dp to be positive or negative? a)
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