Find the slope then describe what it means in the given situation.The linear function f(x) = -5.9x + 22 models the percentage of people, f(x), who eat at fast food restaurants x years after 2017.
A. m = 5.9; the percentage of people eating at fast food restaurants has increased at a rate of 5.9% per year after 2017.
B. m = 22; the percentage of people eating at fast food restaurants has increased at a rate of 22% per year after 2017.
C. m = -5.9; the percentage of people eating at fast food restaurants has decreased at a rate of 5.9% since 2017.
D. m = -5.9; the percentage of people eating at fast food restaurants has decreased at a rate of -5.9% per year after 2017.
Answer: D
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