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

Question

Nataly Crawford

Mathematics

22 January, 18:55

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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Answers (1)

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Korbin Haas · Answer 1

Y = m x + b

A linear equation is:

y = 21.99 x + 14.99,

where x is the number of months of service.

y = 21.99 * 12 + 14.99 = 263.88 + 14.99 = $278.87

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

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