Topic Test Answers
Given the following table, determine the missing value.Decay Factor0.980.500.640.23Percent2%50%?77%
Use the formula to calculate your salary after 6 years. Round your answer to the nearest dollar.
Twenty years ago a small town in Texas had a population of 10,000. The population has increased 8% each year since then. What is the current population of this town?
Use the formula to calculate your salary after 4 years. Round your answer to the nearest dollar.
What is the growth factor of the following example? Assume time is measured in the units given.A forest shrinks 80% per century.
Complete the table for the following function x -3 -2 -1 0 1 2 3 y 3 1 Graph the function and describe what the graph looks like.
The table of values below represent an exponential function. Write an exponential equation that models the data. x y -2 26 -1 18.2 0 12.74 1 8.918 2 6.2426 a. c. b. d. Please select the best answer from the choices provided
The 2000 U.S. Census reports the populations of Bozeman, Montana, as 27,509 and Butte, Montana, as 32,370. Since the 1990 census, Bozeman’s population has been increasing at approximately 1.96% per year. Butte’s population has been decreasing at approximately 0.29% per year. Assume that the growth and decay rates stay constant. Show the equation you would use to predict the populations of both cities in 2005, then solve the equation.
In 1985, there were 285 cell phone subscribers in the small town of Glenwood. The number of subscribers increased by 75% per year after 1985. How many cell phone subscribers were in Glenwood in 1990?Years1986 (x = 1)1987 (x = 2)1988 (x = 3)Number of cell phone users4988721527
What is the growth factor of the following example? Assume time is measured in the units given.A city grows by 28% per decade.
You have just graduated from college and purchased a car for $8000. Your credit limit is $12,000. Assume that you make no payments and purchase nothing more and that there are no other fees. The monthly interest rate is 14%. Write an exponential equation to determine how much you will owe (represented by y) after x months with no more purchases or payments. a. c. b. d. Please select the best answer from the choices provided
Suppose that during the 1990s, the population of a certain country was increasing by 1.7% each year. If the population at the end of 1993 was 5.4 million, what was the population at the end of 1994?
Give the starting value a, the growth factor b, and the growth rate r if Q = abt = a(1 + r)t Write r as a percent.
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