A cellular phone company offers several different service options. One option, for people who plan on using the phone only in emergencies, costs the user $4.85/month plus $0.59/min for each minute the phone is used. Write a linear function for the monthly cost y (in dollars) of the phone in terms of the number of minutes x the phone is used. y =
A cellular phone company offers several different service options. One option, for people who plan on using the phone only in emergencies, costs the user $4.85/month plus $0.59/min for each minute the phone is used. Write a linear function for the monthly cost y (in dollars) of the phone in terms of the number of minutes x the phone is used. y =
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A cellular phone company offers several different service options. One option, for people who plan on using the phone only in emergencies, costs the user $4.85/month plus $0.59/min for each minute the phone is used. Write a linear function for the monthly cost y (in dollars) of the phone in terms of the number of minutes x the phone is used.
y =
Use the function to find the cost (in dollars) of using the cellular phone for 13 minutes in 1 month.
$
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