30. From ABC Wireless the monthly cost for a cell phone with 100 minutes per month is $35, or 200 minutes per month is $50. SLO 9 a) Given that the cost in dollars is a linear function of the time in minutes, find a formula for the cost function. b) What is the cost of 400 minutes per month?
30. From ABC Wireless the monthly cost for a cell phone with 100 minutes per month is $35, or 200 minutes per month is $50. SLO 9 a) Given that the cost in dollars is a linear function of the time in minutes, find a formula for the cost function. b) What is the cost of 400 minutes per month?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter3: Linear And Nonlinear Functions
Section3.2: Zeros Of Linear Fumctions
Problem 53PFA
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