A phone company offers a domestic long distance package by charging $5 plus $0.05 per minute. (a)

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A phone company offers a domestic long distance package by charging $5 plus $0.05 per minute.

(a) Write a linear model that relates the cost C, in dollars, of talking x minutes.

(b) What is the cost of talking 105 minutes? 180 minutes?

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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