For the following exercises, the cost of producing x cellphones is described by the function C(x) =

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For the following exercises, the cost of producing x cellphones is described by the function C(x) = x2 − 4x + 1000.

Find the approximate marginal cost, when 20 cellphones have been produced, of producing the 21st cellphone.

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Precalculus

ISBN: 9781938168345

1st Edition

Authors: Jay Abramson

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