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In the function y = 0.25x + 3.5, y represents the cost of a gallon of milk after a certain number of years, x. How much does the cost of milk increase every year?

Respuesta :

0.25 because x represents the number of years.
The slope is the coefficient in front of x. Since the slope of the equation is 0.25, the cost of milk increases $0.25 a year.
Answer:$0.25

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