Mathematics
charr
21

You just bought a cell phone for $14.99. 100 minutes for your phone, including tax, cost $21.99 per month. Write a linear function that models buying the phone and minutes then use that equation to determine the cost of the phone and twelve months of service.

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(1) Answers
Jaa13

14.99 + 21.99x = y x = how many months y = cost 14.99 + 21.99(12) = y 21.99 * 12 = 263.88 263.88 + 14.99 = 278.87 y = 278.87 Hope this Helps

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