The percent p of high school seniors who smoke cigarettes can be described by , where t is the number of years past 1975. Choose the sentence that correctly interprets the meaning of the slope as a rate of change.
A)The slope represents the annual 33.58% increase of high school seniors who smoke.
B)The slope represents the annual 6% decrease of high school seniors who smoke.
C)The slope represents the annual 0.06% decrease of high school seniors who smoke.
D)The slope represents the annual 0.06% increase of high school seniors who smoke.
E)The slope represents the annual 33.58% decrease of high school seniors who smoke.

Question

The percent p of high school seniors who smoke cigarettes can be described by  , where t is the number of years past 1975. Choose the sentence that correctly interprets the meaning of the slope as a rate of change. ​
A)The slope represents the annual 33.58% increase of high school seniors who smoke. 
B)The slope represents the annual 6% decrease of high school seniors who smoke. 
C)The slope represents the annual 0.06% decrease of high school seniors who smoke. 
D)The slope represents the annual 0.06% increase of high school seniors who smoke. 
E)The slope represents the annual 33.58% decrease of high school seniors who smoke.

Quizplus · Accepted Answer

The slope of the equation is -0.06, which means for each year past 1975, the percent of high school seniors who smoke decreases by 0.06%. Therefore, choice (C) correctly interprets the meaning of the slope as an annual decrease of 0.06%.

The Percent P of High School Seniors Who Smoke Cigarettes