Parisa’s cell phone plan has a monthly fee of $95, which includes unlimited free text messages and phone calls and 5GB of data. Each extra gigabyte of data, or part thereof, costs $14.

a. Find the cost of a month in which Parisa used 6.2GB of data.

b. If x represents the number of gigabytes used, express the monthly charge c(x) of this plan as a piecewise function.

Financial Algebra Advanced Algebra With Financial Applications

2nd Edition

Authors: Robert Gerver, Richard J. Sgroi

ISBN: 9781337271790

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