Question: The linear function y =2 x +26 y =2x+26 models the average cost of a haircut in a certain city, wherey, is the average price

The linear functiony=2x+26

y =2x+26

models the average cost of a haircut in a certain city, wherey, is the average price of a haircutx years after 1990. Find the slope for the model. Then describe what this means in terms of the unit rate of change in the average cost of a haircut over time.

a)m=

b) The average cost of a haircut in this city _____

(Enter:increasedordecreasedornot changed) at a rate of_______ per year after 1990.

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