Exponential Functions
2 years ago
sdoughten
Save
Edit
Host a game
Live GameLive
Homework
Solo Practice
Practice
15 QuestionsShow answers
  • Question 1
    300 seconds
    Q. Does the graph represent an exponential growth or an exponential decay function?
    answer choices
    Exponential Growth
    Exponential Decay
  • Question 2
    300 seconds
    Q. What does the y-intercept of the graph represent?
    answer choices
    The amount of grams the material is gaining.
    The amount of grams the material is losing.
    The amount of grams remaining after so many years.
    The initial amount of grams.
  • Question 3
    300 seconds
    Q. Which of the following is an increasing exponential function whose y-intercept is 50?
    answer choices
    y = 50(.05)x
    y = 50x - 4
    y = (2)x + 50
    y = 50(1.4)x
  • Question 4
    300 seconds
    Q. The amount of ants in a colony, f, that is decaying can be modeled by                      f(x) = 800(.87)x, where x is the number of days since the decay started. By what percentage is the colony decaying?
    answer choices
    87%
    13%
    800%
    8.7%
  • Question 5
    300 seconds
    Q. The amount of ants in a colony, f, that is decaying can be modeled by                         f(x) = 800(.87)x, where x is the number of days since the decay started. Suppose           f(20) = 49. Which of the following is true?
    answer choices
    After 20 days, there are 49 ants in the colony.
    After 49 days there are 20 ants in the colony.
    The amount of ants times 20 is 49.
    After 20 days the amount of ants remaining decreases by 49.
  • Question 6
    300 seconds
    Q. The amount of downloads for an album on iTunes, g(d), where d is the number of days since the album was first uploaded can be represented as
    g(d) = 51.5d
    How many downloads will the album have after 3 days?
    answer choices
    125
    11
    1398
    140
  • Question 7
    300 seconds
    Q. A collectible car has been going up in price by 10% each year. If the car is already worth $29,000, how much will the car be worth in 5 years?
    answer choices
    $0.29
    $2,900,000,000
    $46,704.79
    $145,000
  • Question 8
    300 seconds
    Q. The expression 12(1.015)t models the population of elephants in a wildlife refuge after t years since 1975.
    Is the population of elephants increasing or decreasing?
    answer choices
    Increasing
    Decreasing
  • Question 9
    300 seconds
    Q. The expression 12(1.015)t models the population of elephants in a wildlife refuge after t years since 1975.
    What does the value 12 represent?
    answer choices
    The predicted increase in number of elephants in the refuge each year.
    The predicted decrease in number of elephants in the refuge each year.
    The number of years it will take for the elephant population to stop increasing.
    The initial amount of elephants in the park.
  • Question 10
    300 seconds
    Q. The expression 12(1.015)t models the population of elephants in a wildlife refuge after t years since 1975.
    What does the value 1.015 represent?
    answer choices
    The number of elephants was 1,015 in 1975.
    The number of elephants increases by 1.5% each year.
    The number of elephants increases by 101.5% each year.
    The number of elephants is multiplied by 1.015 each year.
  • Question 11
    300 seconds
    Q. The amount of ibuprofen (medicine for headaches) breaks down by 30% each hour. If a person took a 200 milligram ibuprofen, how much will be left after 3 hours?
    answer choices
    5.4 mg
    68.6 mg
    .0054 mg
    2,400,000 mg
  • Question 12
    300 seconds
    Q. Simplify the expression x(3x)2
    answer choices
    3x2
    9x2
    3x2 + x
    9x3
  • Question 13
    300 seconds
    Q. Is the graph exponential growth or decay?
    answer choices
    Exponential growth
    Exponential decay
  • Question 14
    300 seconds
    Q. Is the following function exponential growth, exponential decay, linear, or none of the above.
    g(x) = 740(.001)3x
    answer choices
    Exponential growth
    Exponential decay
    Linear
    None of the above
  • Question 15
    300 seconds
    Q. Is the following function exponential growth, exponential decay, linear, or none of the above?
    p(x) = 13x - 5
    answer choices
    Exponential growth
    Exponential decay
    Linear
    None of the above
Report Quiz
Join a game