CALCULUS:GRAPHICAL,NUMERICAL,..-PACKAGE
5th Edition
ISBN: 9780133320381
Author: Finney
Publisher: SAVVAS L
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| A cyclist pedals from his house to his college at a speed of
10 km.p.h and back from the college to his house at 15
km.p.h. Find the average speed.
Web conferencing has grown over the last 20 years. The amount (in millions of dollars) spent on Web conferencing from 2006 through 2010 is listed in the table.
year
2006 2007 2008 2009 2010
Amount 920 1160 1380 1600 1900
a. What is the average rate of change in the amount spent on Web conferencing from 2006 to 2008? Include units.
Units are required for this answer.
X
b. What is the average rate of change in the amount spent on Web conferencing from 2007 to 2008? Include units.
c. What is the average rate of change in the amount spent on Web conferencing from 2008 to 2010? Include units.
d. What is the average rate of change in the amount spent on Web conferencing from 2008 to 2009? Include units.
e. Give a good approximation for the rate of change in the amount spent on Web conferencing by the end of 2008? Include units.
Answer.
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