Mathematics, 02.09.2021 03:20 jodiconklin2358

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 graft the function gives a line with a slope of 0.13. The monthly cost for 33 minutes of calls is $17.68 what is the monthly cost for 41 minutes of calls

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Suppose that the monthly cost of a long distance phone plan in dollars is a linear function of the t...