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Many cell phone plans have an option to include more than one phone. The function for the monthly cost of cell phone service from a wireless company is f(x)=25x+200, where x is the number of phones on the plan. Find and interpret f(3) and f(5). 

 Nov 7, 2020
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Many cell phone plans have an option to include more than one phone. The function for the monthly cost of cell phone service from a wireless company is f(x)=25x+200, where x is the number of phones on the plan. Find and interpret f(3) and f(5). 

 Dec 3, 2020

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