Exponential functions

Front

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

Back

Exponential Growth

Front

What does the y-intercept of the graph represent? Options: 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.

Back

The initial amount of grams.

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

A collectible car worth $29,000 increases in price by 10% each year. What will it be worth in 5 years?

Back

$46,704.79

Front

The amount of ibuprofen breaks down by 30% each hour. If a person took a 200 milligram ibuprofen, how much will be left after 3 hours?

Back

68.6 mg

Front

Is the function p(x) = 13x - 5 exponential growth, exponential decay, linear, or none of the above?

Back

Linear

Front

Is this exponential growth or decay?

Back

Decay

Front

A new savings account is opened with $400 and gains 3% every year. What is the exponential function? Options: f(x)=400(1+3)^x, f(x)=400(1-0.03)^x, f(x)=400(1+0.03)^x, f(x)=400(0.03)^x

Back

f(x)=400(1+0.03)^x

Front

Mike, Randall, and Roz are from which Disney/Pixar animated film? Options: The Fox and the Hound, Monsters, Inc., A Bug's Life, The Rescuers

Back

Monsters, Inc.