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

The linear function y=2x+26 models the average cost of a haircut in a certain city, where y, is the average price of a haircut x years after 1985. Find the slope for the model. Then describe what this means in terms of the 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: increased or decreased or not changed ) at a rate of_____ per year after 1985.

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