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

Mathematics

Carter Blake

5 March, 08:41

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

+2

Answers (1)

Know the Answer?

Hayley Coleman · 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