SOLUTION: If a phone company charges 20$ For unlimited text plus 6 cents per minute, how do I set up the equation and graph it?

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Question 848546: If a phone company charges 20$ For unlimited text plus 6 cents per minute, how do I set up the equation and graph it?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Choose the dependent and independent variables. You probably want to graph how the cost varies with the time in minutes. You might choose y for the cost and x for the time of phone use in minutes. The formula is then 0.06x%2B20 dollars.