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7. Alice knows a phone call to a friend costs 42 cents for the first 3 minutes and 5 cents for each additional minute. The

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7. Alice knows a phone call to a friend costs 42 cents for the first 3 minutes and 5 cents for each additional minute. The number of minutes (m) you call and the cost (C) of the call are related. Express the following relation as a function. (2 marks)

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