In general there are two basic costs for cell phone plans the cost of the phone and the monthly cost for talk text and data

Question

In general there are two basic costs for cell phone plans the cost of the phone and the monthly cost for talk text and data usage Alexi buys a phone for 620 and then signs up for a phone plan that costs 45 per month with all taxes included Part A Let C represent the total cost that Alexi will pay if he uses this phone for m months How much has Alexi paid after 1 month How much has he paid after 8 months How much has he paid after 11 months Write each answer as an ordered pair of the form m C Hint 1 month 8 months 11 months Part B Identify the slope and vertical intercept for this situation Do not include units in your answers Hint Slope Vertical Intercept per month Part C Use the slope and vertical intercept to write a linear function that gives the total cost Alexi pays in terms of the number of months Hint Answer Part D Interpret the slope as a rate of change by filling in information into this for each additional month that he is using his phone Alexi pays an

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