A phone company offers a domestic long distance package by charging $5 plus $0.05 per minute. (a)
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A phone company offers a domestic long distance package by charging $5 plus $0.05 per minute.
(a) Write a linear model that relates the cost C, in dollars, of talking x minutes.
(b) What is the cost of talking 105 minutes? 180 minutes?
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a Let x number of minutes used and ...View the full answer
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