A cellular phone company offers several different service plans. One option, for people who plan on using the phone only in emergencies, costs the user $4.65 per month plus $0.55 per minute for each minute the phone is used. a. Write a linear function for the monthly cost of the phone in terms of the number of minutes the phone is used. b. Use your equation to find the cost of using the cellular phone for 13 minutes in 1 month. O A. (a) y = 4.65x+0.55; (b) $61.00 O B. (a) y = 0.55x ; (b) $7.15 O C. (a) y = 0.55x+4.65; (b) $11.80 O D. (a) y = 4.65; (b) $4.65
A cellular phone company offers several different service plans. One option, for people who plan on using the phone only in emergencies, costs the user $4.65 per month plus $0.55 per minute for each minute the phone is used. a. Write a linear function for the monthly cost of the phone in terms of the number of minutes the phone is used. b. Use your equation to find the cost of using the cellular phone for 13 minutes in 1 month. O A. (a) y = 4.65x+0.55; (b) $61.00 O B. (a) y = 0.55x ; (b) $7.15 O C. (a) y = 0.55x+4.65; (b) $11.80 O D. (a) y = 4.65; (b) $4.65
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.1: Writing Equations In Slope-intercept Form
Problem 24PPS
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