The linear function y = -0.5z +26 models the percentage of men in a certain city, y. smoking cigarettes a years after 1990. Find the slope
for the model. Then describe what this means in terms of the rate of change of male smokers in this city over time.
a) m =
b) The percentage of men in this city who smoke has (Enter: increased or decreased or not changed) at a rate of
after 1990.
% per year