From 1990 to 2000, the population of California can be modeled by
where t is the number of years since 1990.
What was the population in 1990?
Question 2
2.
From 1990 to 2000, the population of California can be modeled by
where t is the number of years since 1990.
What is the annual percent increase?
Question 3
3.
From 1990 to 2000, the population of California can be modeled by
where t is the number of years since 1990.
Estimate the population in 2007. Round your answer to the nearest person.
Show all of your work in the "show your work" box.
Question 4
4.
You buy a new car for $22,500. The value of the car decreases by 25% each year. Write an exponential decay model giving the car's value V (in dollars) after t years.
Question 5
5.
Use the model you wrote in #4 to determine the value of the car after three years.
Question 6
6.
Use the model you wrote in #4 to determine approximately how many years it will be when the car is worth $5300?
Show your work in the "show your work" box below.
Question 7
7.
You deposit $2200 in an account that pays 3% annual interest. After 15 years, you with draw the money. What is the balance if the interest is compounded quarterly?
Question 8
8.
You deposit $2200 in an account that pays 3% annual interest. After 15 years, you with draw the money. What is the balance if the interest is compounded continuously?
Question 9
9.
You deposit $6000 in an account that pays 4.75% annual interest. Find the balance after 7 years if the interest is compounded with the given frequencies in the table in the "show your work" box.