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A new cell phone is introduced into the market. It is predicted that sales will grow logistically. The manufacturer estimates that they can sell a maximum of 90 thousand cell phones. After 43 thousand cell phones have been sold, sales are increasing by 4 thousand phones per month. Find the differential equation describing the cell phone sales, where y(t) is the number of cell phones (in thousands) sold after t months. dy dt Enter at least 3 decimal places for the constants.

A new cell phone is introduced into the market. It is predicted that sales will grow logistically. The manufacturer estimates that they can sell a maximum of 90 thousand cell phones. After 43 thousand cell phones have been sold, sales are increasing by 4 thousand phones per month. Find the differential equation describing the cell phone sales, where y(t) is the number of cell phones (in thousands) sold after t months. dy dt Enter at least 3 decimal places for the constants.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A new cell phone is introduced into the market. It is predicted that sales will grow logistically. The manufacturer estimates that they can sell a maximum of 90 thousand cell phones. After 43 thousand cell phones have been sold, sales are increasing by 4 thousand phones per month. Find the differential equation describing the cell phone sales, where y(t) is the number of cell phones (in thousands) sold after t months. dy dt Enter at least 3 decimal places for the constants.
Transcribed Image Text:A new cell phone is introduced into the market. It is predicted that sales will grow logistically. The manufacturer estimates that they can sell a maximum of 90 thousand cell phones. After 43 thousand cell phones have been sold, sales are increasing by 4 thousand phones per month. Find the differential equation describing the cell phone sales, where y(t) is the number of cell phones (in thousands) sold after t months. dy dt Enter at least 3 decimal places for the constants.
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