In 2000 45 of the residents in a large city regularly used n

In 2000, 45% of the residents in a large city regularly used newspapers for getting news and this has decreased at an average rate of approximately 1.9 % per year since them. Find a linear function in slope-intercept form that models this description. The function should model the percentage of residents, P(x), who regularly used the news outlet x years after 2000 p(x) = (Use integers or decimals for any numbers in the expression.)

Solution

In 2000, only 45% of residents use newspapers

so y intercept is 45%

and it is decreasing 1.9% per year since than

P(x) = -1.9x+45