Equations of Exponential Functions Answers

You just obtained a credit card. You immediately purchase a stereo system for $200. Your credit limit is $1000. Let’s assume that you make no payments and purchase nothing more and there are no other fees. The monthly interest rate is 1.42%.What is the growth rate of your credit card balance?

Given the following equation of an exponential function determine the base, b, of the exponential model. Is the base a growth or decay factor?

The table of values below represent an exponential function. Write an exponential equation that models the data. x y -2 24 -1 16.8 0 11.76 1 8.232 2 5.7624 a. c. b. d. Please select the best answer from the choices provided

The table of values below represent an exponential function. Write an exponential equation that models the data. x y -2 22 -1 15.4 0 10.78 1 7.546 2 5.2822 a. c. b. d. Please select the best answer from the choices provided

The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. The exponential regression equation was found to be where x represents the number of years since 2000. Use the regression equation to predict the number of VHS movie rentals in 2011. Year 2000 2001 2002 2003 2004 2005 2006 VHS Rentals (in millions) 10.5 7.9 6.2 5.3 4.2 3.8 3.1

You are working part-time for an electronics company while going to high school. The following table shows the hourly wage, w(t), in dollars, that you earn as a function of time, t. Time is measured in years since the beginning of 2004 when you started working.TIME, t, Years since 2004012345Hourly wage, w($)9.009.9010.9012.0013.214.5What is the growth factor?

Given the following equation of an exponential function determine the base, b, of the exponential model. Is the base a growth or decay factor?

Each year the Miller county country club sponsors a tennis tournament. Play starts with 128 participants. During each round, half of the players are eliminated. Rounds1234Number of players left6432168What is the decay rate?

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. Years 1986 (x = 1) 1987 (x = 2) 1988 (x = 3) Number of cell phone users 498 872 1527 Write an exponential equation that models the data provided in the table. a. c. b. d. Please select the best answer from the choices provided

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