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Mathematics 8 Online
OpenStudy (anonymous):

Suppose that the monthly cost of a long-distance phone plan (in dollars) is a linear function of the total calling time (in minutes). When graphed, the function gives a line with a slope of . See the figure below. The monthly cost for minutes of calls is . What is the monthly cost for minutes of calls?

OpenStudy (anonymous):

You gonna post an image hun?

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