Exponential functions

Front

What is the range of this function? Options: 0 ≤ y ≤ 26, 0 ≤ y ≤ 3, All Real Numbers, y > 0

Back

y > 0

Front

Does the graph represent an exponential growth or an exponential decay function?

Back

Exponential Growth

Front

Which of the following is an increasing exponential function whose y-intercept is 50? Options: y = 50(.05)^x, y = 50x - 4, y = (2)^x + 50, y = 50(1.4)^x

Back

y = 50(1.4)^x

Front

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?

Back

13%

Front

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?

Back

Increasing

Front

In the expression 12(1.015)^t, what does the value 12 represent in the context of elephant population in a wildlife refuge?

Back

The initial amount of elephants in the park.

Front

What does the value 1.015 represent in the expression 12(1.015)^t for elephant population growth?

Back

The number of elephants increases by 1.5% each year.

Front

Identify the y-intercept of the function f(x)=2(4)^x.

Back

2

Front

Is the graph exponential growth or decay?

Back

Exponential decay

Front

Which represents exponential decay? Options:

A

,

B

,

C

,

D

Back

D