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8) An international phone call costs $0.35 per minute for the first 20 minutes then $0.22 per minute for the next 40 minutes then $0.15
8) An international phone call costs $0.35 per minute for the first 20 minutes then $0.22 per minute for the next 40 minutes then $0.15 per minute for any additional minutes. Write a piecewise function for the cost of the phone call and then simplify to f(x)=mx+b form
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Payroll Accounting
Authors: Bernard J. Bieg, Judith A. Toland
2013 edition
113396253X, 978-1133962533
