Mathematics, 10.02.2020 19:00 mamieengler

Charlenes phone service costs $14 a month plus $0.20 per minute. Last month her phone bill was $44. Use function notation to write an equation that gives the total cost as a function of the number of minutes used. Then use the equation to find how many minutes Charlene used.

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Charlenes phone service costs $14 a month plus $0.20 per minute. Last month her phone bill was $44....