Exponential Functions

What is the domain of the function shown?

• All real numbers

• All real numbers greater than 1

What is the range of the function shown?

• All real numbers

• All real numbers greater than 1

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

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

• Exponential Growth
• Exponential Decay

Is the following function and example of decay or growth?

f(x)=2(0.85)^x

• Exponential Decay

• Exponential Growth

What type of function is y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Exponential Decay

Which represents exponential decay?

• A

• B

• C

• D

In an exponential function, what does the 'a' represent?

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

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

• (.27)^x
• .27
• 13
• 3.51