4. Let C(x) represent the cost, R(x) the revenue, and (x) the total profit, in dollars of producing x units of a widget. If C'(400) = 18 and R'(400) = 15, what is the approximate profit or loss by the 401" widget? Show your computations that lead to your answer.

4. Let C(x) represent the cost, R(x) the revenue, and (x) the total profit, in dollars of producing x units of a widget. If C'(400) = 18 and R'(400) = 15, what is the approximate profit or loss by the 401" widget? Show your computations that lead to your answer.

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter9: Multivariable Calculus

Section9.CR: Chapter 9 Review

Problem 54CR

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4. Let C(x) represent the cost, R(x) the revenue, and (x) the total profit, in dollars of producing x
units of a widget. If C'(400) = 18 and R'(400) = 15, what is the approximate profit or loss by the
401st widget? Show your computations that lead to your answer.

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