Exponential Functions

Exponential Functions

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- Question 1300 secondsQ. Does the graph represent an exponential growth or an exponential decay function?answer choices
- Question 2300 secondsQ. What does the y-intercept of the graph represent?answer choices
- Question 3300 secondsQ. Which of the following is an increasing exponential function whose y-intercept is 50?answer choices
- Question 4300 secondsQ. 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 - Question 5300 secondsQ. 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 - Question 6300 secondsQ. 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) = 5^{1.5d}

How many downloads will the album have after 3 days?answer choices - Question 7300 secondsQ. 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
- Question 8300 secondsQ. 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 - Question 9300 secondsQ. 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 - Question 10300 secondsQ. 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 - Question 11300 secondsQ. 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
- Question 12300 secondsQ. Simplify the expression x(3x)
^{2}answer choices - Question 13300 secondsQ. Is the graph exponential growth or decay?answer choices
- Question 14300 secondsQ. Is the following function exponential growth, exponential decay, linear, or none of the above.

g(x) = 740(.001)^{3x}answer choices - Question 15300 secondsQ. Is the following function exponential growth, exponential decay, linear, or none of the above?

p(x) = 13x - 5answer choices

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