The profit (in hundreds of dollars) from the expendi- ture of x hundred dollars on advertising is given by P(x) = 500 + 48x - 4x2. Find the marginal profit at the following expenditures. In each case, decide whether the firm should increase the expenditure.(a) $400(b) $600(c) $800(d) $1000

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Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter7: Rational Expressions And Functions

Section7.6: Solve Rational Inequalities

Problem 7.118TI: The function C(x)=5x+900 represents the cost to produce x, number of items. Find ? the average cost...

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The profit (in hundreds of dollars) from the expendi- ture of x hundred dollars on advertising is given by P(x) = 500 + 48x - 4x². Find the marginal profit at the following expenditures. In each case, decide whether the firm should increase the expenditure.

(a) $400
(b) $600
(c) $800
(d) $1000

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