Each March from 1998 to 2003, a website recorded the number y of referrals it received from Internet search engines. The results can be modeled by:
where t is the number of years since 1998.
Identify the intial amount in the model above.
Question 2
2.
Inernet Each March from 1998 to 2003, a website recorded the number y of referrals it received from Internet search engines. The results can be modeled by:
where t is the number of years since 1998.
Identify the growth factor in the model above.
Question 3
3.
Inernet Each March from 1998 to 2003, a website recorded the number y of referrals it received from Internet search engines. The results can be modeled by:
where t is the number of years since 1998.
Identify the annual percent increase in the model above.
Question 4
4.
Write an exponential growth model that describes the situation:
In 1992, 1219 monk parakeets were observed in the United States. For the next 11 years, about 12% more parakeets were observed each year.
Question 5
5.
Write an exponential growth model that describes the situation:
You purchase an antique table for $450. The value of the table increases by 6% per year.
Question 6
6.
Question 7
7.
From 1997 to 2002, the number, n (in millions) of DVD players sold in the United States can be modeled by
where t = the number of years since 1997.
Identify the initial amout in the model above.
Question 8
8.
From 1997 to 2002, the number, n (in millions) of DVD players sold in the United States can be modeled by
where t = the number of years since 1997.
Identify the growth or decay factor in the model above.
Question 9
9.
From 1997 to 2002, the number, n (in millions) of DVD players sold in the United States can be modeled by
where t = the number of years since 1997.
Identify the annual percent of increase or decrease in the model above.
Question 10
10.
From 1997 to 2002, the number, n (in millions) of DVD players sold in the United States can be modeled by
where t = the number of years since 1997.
Estimate the number of DVD players sold in 2001.
Question 11
11.
You buy a new mountain bike for $200. The value of the bike decreases by 25% each year. Write a model giving the mountain bike's value y (in dollars) after t years.
Question 12
12.
Use the model you wrote in #11 to estimate the value of the bike after 3 years.
Question 13
13.
You purchased a car for $24,000 and find that it will depreciate at a rate of 15.5% per year. Write a model to represent the value v (in dollars) after t (in years)
Question 14
14.
Use the model you wrote in #13, and estimate the value of the car after 5 years.
Question 15
15.
Use the model you wrote in #13, and predict the value of the car after 50 years. Is this a reasonable value, explain in the show your work box?