Exponential Growth and Decay

Given the function h(x) =  3^x , find the value of x such that h(x)=27.

• 1

• 2

• 3

• 4

What is the equation that represents the exponential function in the image below?

• y=3(½)^x

• y=3(2)^x

• y=(2)^x

• y=2(3)^x

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth

• Exponential Decay

• Linear

• None

A stamp gets more expensive each year.  It increases in value by 60 % each year.  What is the growth FACTOR?

• .6

• .06

• 1.6

• .4

Suppose you deposit $3000 in a savings account that pays interest at an annual rate of 4%. What is the growth factor?

• .96

• 1.4

• 1.04

• $3000

Which of the following is an example of exponential growth?

• y = 8(1.05)^t

• y = 8(.95)^t

• y = (.99)^t

• y = 9(1 - .5)^t

What type of function is y = 500(1)^x?

• Exponential Growth

• Exponential Decay

• None of the above

Which of the following is an example of exponential decay?

• y = 3(5)^x

• y = .5(5)^x

• y = 2(.5)^x

• y = 8(1)^x

What is the growth rate in the function f(x)=2(1.44)^x

• 144%

• 2%

• 44%

• X%

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

• Growth

• Decay