Exponential Functions

Which the following graphs shows an exponential decay equation?

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• 
• 
• 

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

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

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

• Growth
• Decay
• Linear
• None

The growth factor for this table is 

• 2
• 4
• 12
• 144

The equation for this table is 

• y = 1(2^x)
• y = 1(12^x)
• y = 12x
• y = 12x + 1

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

Which equation is represented by the table?

• y = 40(2)^x

• y = 40(1/2)^x

• y = 40 - 2x

• y = 40 - 1/2x

Which table represents the following equation?

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• 
• 
• 

What is the initial value?

• 1

• .8

• 1.8

• .2