9. A cell phone plan charges $34.95 per month plus $9.9 in tax, plus $0.12 per minute for calls beyond the 500-minutes monthly limit. Write a piecewised- defined function to model the monthly cost C(x) as a function of x number of minutes used in a month.

9. A cell phone plan charges $34.95 per month plus $9.9 in tax, plus $0.12 per minute for calls beyond the 500-minutes monthly limit. Write a piecewised- defined function to model the monthly cost C(x) as a function of x number of minutes used in a month.

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

ChapterP: Prerequisites

SectionP.7: A Library Of Parent Functions

Problem 47E

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9. A cell phone plan charges $34.95 per month plus $9.9 in tax, plus $0.12 per minute for
calls beyond the 500-minutes monthly limit. Write a piecewised- defined function to
model the monthly cost C(x) as a function of x number of minutes used in a month.

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