Name: 
 

Rate of Change 2


 1 
The Jamison family kept a log of the distance they traveled during a trip, as represented by the graph below.

mc001-1.jpg

During which interval was their average speed the greatest?
a)
the first hour to the second hour
c)
the sixth hour to the eighth hour
b)
the second hour to the fourth hour
d)
the eighth hour to the tenth hour
 

 2 
Firing a piece of pottery in a kiln takes place at different temperatures for different amounts of time.  The graph below shows the temperatures in a kiln while firing a piece of pottery after the kiln is preheated to 200ºF.

mc002-1.jpg

During which time interval did the temperature in the kiln show the greatest average rate of change?
a)
0 to 1 hour
c)
2.5 hours to 5 hours
b)
1 hour to 1.5 hours
d)
5 hours to 8 hours
 

 3 
The table below shows the year and the number of households in a building that had high-speed broadband internet access.

mc003-1.jpg

For which interval of time was the average rate of change the smallest?
a)
2002 - 2004
c)
2004 - 2006
b)
2003 - 2005
d)
2005 - 2007
 

 4 
The table below shows the cost of mailing a postcard in different years.  During which time interval did the cost increase at the greatest average rate?

mc004-1.jpg
a)
1898-1971
c)
1985-2006
b)
1971-1985
d)
2006-2012
 



 
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