Suppose the percent of U.S. high school seniors from 1975 to 2001 who used marijuana can be modeled by , where x is the number of years past 1975. What is the slope of the graph of this function?
A) - 0.292
B) 0.186
C) - 2.917
D) - 0.186
E) 29.166

Question

Suppose the percent of U.S. high school seniors from 1975 to 2001 who used marijuana can be modeled by  , where x is the number of years past 1975. What is the slope of the graph of this function? ​
A) - 0.292 
B) 0.186 
C) - 2.917 
D) - 0.186 
E) 29.166

Quizplus · Accepted Answer

The given model is y = 11ea984b_afb7_3506_9029_25d1139c564c_TB4005_11, where x is the number of years past 1975.

We can rewrite the function as y = -0.292x + 21.574.

The slope of this function is -0.292, which is the coefficient of x. Therefore, the answer is D) -0.186.

Suppose the Percent of U