The percent of the U.S. population with Internet service can be described by , where x is the number of years past 1995. What interpretation could be given to the y-intercept of this equation?
A)In 1995, 15.38% more of the U.S. population had Internet access than in the previous year.
B)In 1995, the number of people in the U.S. with Internet access increased at a rate of 15.38% per year.
C)At present, the number of people in the U.S. with Internet access is increasing at a rate of 15.38% per year.
D)In 1995, 15.38% of the U.S. population had Internet access.
E)At present, 15.38% of the U.S. population has Internet access.

Question

The percent of the U.S. population with Internet service can be described by  , where x is the number of years past 1995. What interpretation could be given to the y-intercept of this equation? ​
A)In 1995, 15.38% more of the U.S. population had Internet access than in the previous year. 
B)In 1995, the number of people in the U.S. with Internet access increased at a rate of 15.38% per year. 
C)At present, the number of people in the U.S. with Internet access is increasing at a rate of 15.38% per year. 
D)In 1995, 15.38% of the U.S. population had Internet access. 
E)At present, 15.38% of the U.S. population has Internet access.

Quizplus · Accepted Answer

The y-intercept of the equation is the value of y when x=0, which would correspond to the year 1995. Therefore, the y-intercept represents the percent of the U.S. population with Internet access in 1995, which is given in choice D.

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