A long -distance telephone service charges $0.81 for the first 20 minutes or less of a call

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A long -distance telephone service charges $0.81 for the first 20 minutes or less of a call and $0.04 per minute for each additional minute. Express per minute cost C as a function of x.

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College Mathematics for Business Economics Life Sciences and Social Sciences

ISBN: 978-0321614001

12th edition

Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen

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Posted Date: Jan 12, 2023 12:57 AM

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A long -distance telephone service charges $0.81 for the first 20 minutes or less of a call

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College Mathematics for Business Economics Life Sciences and Social Sciences

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