Suppose the Percent of U

Multiple Choice

Suppose the percent of U.S. high school seniors from 1975 to 2001 who used marijuana can be modeled by percent, where x is the number of years past 1975. Choose the correct interpretation the slope in this equation as a rate of change. ​

A) The percentage of U.S. high school seniors who used marijuana increased at a rate of 0.177% per year.
B) The percentage of U.S. high school seniors who used marijuana decreased at a rate of 17.7% per year.
C) The percentage of U.S. high school seniors who used marijuana decreased at a rate of 0.177% per year.
D) The percentage of U.S. high school seniors who used marijuana increased at a rate of 17.7% per year.
E) The percentage of U.S. high school seniors who used marijuana decreased at a rate of 1.77% per year.