Marissa must decide between one of two companies as her long distance phone provider. Company A charges
Question:
Marissa must decide between one of two companies as her long distance phone provider. Company A charges a monthly fee of $7.00 plus $0.06 per minute, while Company B does not have a monthly fee, but charges $0.08 per minute.
(a) Find a linear function that relates cost, C, to total minutes on the phone, x, for each company.
(b) Determine the number of minutes x for which the bill from Company A will equal the bill from Company B.
(c) Over what interval of minutes x will the bill from Company B be less than the bill from Company A?
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