Exponential Functions

Front

A rare bird species is decreasing at a rate of 0.8% per year. There are currently about 150,000 of these birds. How many fewer birds will there be in 3 years?

Back

3571

Front

What is the y-intercept of f(x) = 2(3)^x?

Back

2

Front

What is a for the function describing Benin's population growth?

Back

9.05 million

Front

What is r for the population growth function of Benin with a population of 9.05 million growing at 3.1% per year?

Back

3.1%

Front

Population of Benin is 9.05 million, growing at 3.1% per year. What will it be in 7 years?

Back

11.27 million

Front

Evaluate f(x) = 2(0.5)^x when x = 5

Back

.0625

Front

Does the function y = 1/2(0.5)^x model growth, decay, or neither?

Back

decay

Front

What transformations have occurred to the function f(x) = 2^{x + 4}?

Back

Shifted 4 places left

Front

What is the asymptote for this function: f(x) = 4(3)^x - 2

Back

-2

Front

What is the y-intercept for this function: f(x) = 4(3)^x - 2

Back

2