Instagram has a revenue function of R(q) = 5q 2 − 10q+ 600 and a cost function of C(q) = 3q 2 + 200, where R(q) and C(q) are measured in thousands of dollars and q represent the number of companies who advertise on their platform measured in hundreds. Instagram has a capacity to advertise for 10000 companies in any given month on its platform. a) How much will Instagram’s marginal cost be for advertising at 74% of its capacity? b) Calculate and interpret Instagram’s marginal revenue when 8000 companies advertise with them. c) How many companies must advertise with Instagram so that its maximum profit can be achieved? d) Calculate Instagram’s maximum revenue at/for the number of companies needed to maximize its total profit?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 17EQ
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Instagram has a revenue function of R(q) = 5q 2 − 10q+ 600 and a cost function of C(q) = 3q 2 + 200, where R(q) and C(q) are measured in thousands of dollars and q represent the number of companies who advertise on their platform measured in hundreds. Instagram has a capacity to advertise for 10000 companies in any given month on its platform. a) How much will Instagram’s marginal cost be for advertising at 74% of its capacity? b) Calculate and interpret Instagram’s marginal revenue when 8000 companies advertise with them. c) How many companies must advertise with Instagram so that its maximum profit can be achieved? d) Calculate Instagram’s maximum revenue at/for the number of companies needed to maximize its total profit?

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