The following table shows the U.S. population, in millions, in the given year. $$\begin{array}{l}
\begin{array} { | l | l | l | l | l | l | }
\hline d = \text { year } & 1960 & 1970 & 1980 & 1990 & 2000 \
\hline \begin{array} { l }
N = \text { popula- } \
\text { tion in mil- } \
\text { lions }
\end{array} & 179.32 & 203.3 & 226.54 & 248.71 & 281.42 \
\hline
\end{array}\
\text { Use the average rate of change to estimate the U.S. population in } 1996 .
\end{array}$$
A) 268.34 million
B) 251.98 million
C) 265.07 million
D) None of the above

Question

The following table shows the U.S. population, in millions, in the given year. $$\begin{array}{l}
\begin{array} { | l | l | l | l | l | l | } 
\hline d = \text { year } & 1960 & 1970 & 1980 & 1990 & 2000 \
\hline \begin{array} { l } 
N = \text { popula- } \
\text { tion in mil- } \
\text { lions }
\end{array} & 179.32 & 203.3 & 226.54 & 248.71 & 281.42 \
\hline
\end{array}\
\text { Use the average rate of change to estimate the U.S. population in } 1996 .
\end{array}$$
A) 268.34 million
B) 251.98 million
C) 265.07 million
D) None of the above

Quizplus · Accepted Answer

The average rate of change is:$$\frac{281.42 - 179.32}{2000 - 1960} = 2.61 	ext{ million per year}$$So, the estimated population in 1996 is:$$179.32 + 2.61 	imes (1996 - 1960) = 268.34 	ext{ million}$$

The Following Table Shows the U A) 26834 Million B) 251

The Following Table Shows the U A) 26834 Million
B) 251