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OpenStudy (anonymous):
For Meg’s long-distance calling plan, the monthly cost C in dollars is given by the linear function C(t) = 6 + 0.05t, where t is the number of minutes talked. a. What is the total cost of talking 8 hours? of talking 20 hours? b. What is the effective cost per minute (the total cost divided by the number of minutes talked) of talking 8 hours? of talking 20 hours?
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