The percentage of American homes with computers grew exponentially from 1994 to 1999. For in 1994, the growth law was
[Source: Los Angeles Times, August 20, 1999]
What percent of American homes had computers in 1994?
Answer:
%
If the percentage of homes with computers continued to grow at the same rate, when did 90% of American homes have a computer?
Answer:
, which was the year
?
2004
2005
Do you think that the function will continue to model the percentage of American homes with computers? Why or why not?
Yes: The percentage will continue increasing, faster and faster.
No: the percent of homes with computers cannot exceed 100%.