Exponential Functions

Front

What type of function is f(x)=2(1/7)^x? Options: Exponential Growth, Linear, Exponential Decay, None of the Above

Back

Exponential Decay

Front

What is the y-intercept of the function?

Back

3

Front

What type of function is y = 7(5/4)^x? Options: Exponential Growth, Exponential Decay, Linear, None of the above

Back

Exponential Growth

Front

Function with initial amount of $15 and 35% increase each year: y = 15(35)^x, y = 15(1.35)^x, y = 15(0.35)^x, y = 35(1.15)^x

Back

y = 15(1.35)^x

Front

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

Back

13

Front

You invest $400 for 5 years and the interest rate is 4.29% each year. Options: y=400(1 - 0.0429)⁵, y=400(1+.0429)⁵, y=400(1+ 4.29)⁵, y=400e^0.049*5

Back

y=400(1+.0429)⁵

Front

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation? Options: y=8(15,000)^x, y=15,000(1 + .08)^x, y=15,000(1 - .08)^x, y=15,000(0.08)^x

Back

y=15,000(1 - .08)^x

Front

Is the pictured graph growth, decay, or linear or none? Options: Exponential Growth, Exponential Decay, Linear, None

Back

Exponential Growth

Front

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

Back

9766

Front

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

Back

$23,219.72