A cell phone carrier charges a fixed monthly fee plus a constant rate for each minute used. In January, the total cost for 250 minutes was $55, while in February, the total cost for 150 minutes was $53. Choose the formula below which gives the function C(x) representing the monthly cost, in dollars, of a cell phone using x.

A cell phone carrier charges a fixed monthly fee plus a constant rate for each minute used. In January, the total cost for 250 minutes was $55, while in February, the total cost for 150 minutes was $53. Choose the formula below which gives the function C(x) representing the monthly cost, in dollars, of a cell phone using x.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter3: Linear And Nonlinear Functions

Section3.4: Slope-intercept Form

Problem 73PFA

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