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A phone company charges for service according to the formula C(n) = 23 + 0.2n, where n is the number of minutes talked, and c(n) is the monthly charge, in dollars. Find the rate of change.
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A phone company charges for service according to the formula C(n) = 23 + 0.2n, where n is the number of minutes

talked, and c(n) is the monthly charge, in dollars.
Find the rate of change.

User Babakness
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1 Answer

3 votes

Answer:

...........................

User Leanette
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