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Mathematics, 28.10.2020 18:00 ericperkins10ox0b27
Have vehicles gotten more fuel-efficient over the years? Between 1960 and 1999 the size and shape of automobiles in
the United States has changed almost annually. The amount of fuel consumed by these vehicles has also changed. The
following table describes the average fuel consumption per year per passenger car in gallons of gasoline.
Yeart
1960 1970 1980 1990 1995 1997 1998 1999
Gallons Consumed Per 1668 1760
520 530 538 544 552
Passenger Car
576
a.
Determine the average rate of change, in gallons of gas per year, from 1995 to 1997.
Al
Ag
:-0.25 gallyear
b.
0.25 gallyear
Ag
C.
Ag
- 4 gallyear
A
d. Ag
A
--4 gal/year
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