A certain long-distance carrier provides service between Podunk and Nowheresville. If x represents the number of minutes

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A certain long-distance carrier provides service between Podunk and Nowheresville. If x represents the number of minutes for the call, where x > 0, then the function ƒ(x) = 0.40[[x]] + 0.75 gives the total cost of the call in dollars. Find the cost of a 5.5-min call.

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College Algebra

ISBN: 978-0134697024

12th edition

Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

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