Exponential Function

Which equation is represented by the table?

• y = 40(2)^x

• y = 40(1/2)^x

• y = 40 - 2x

• y = 40 - 1/2x

Which equation describes the story below?
You have $5 and triple your money every day. 

• y=5(3)^x

• y=5^x

• y=5(3x)

• y=15^x

Write the function for the following table:

• f(x) = 5x + .08

• f(x)= 5x + 2

• f(x) = .08(5)^x

• f(x)= 2(5)^x

Which table represents the following equation?

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• 
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The graph shows the number of game consoles sold in millions since 2009.

Based on this information, which function best models the number of game consoles sold in millions x years since 2009?

• A
• B
• C
• D

Answer explanation

• A
• B
• C
• D

Answer explanation

• A
• B
• C
• D

Answer explanation

• A
• B
• C
• D

Answer explanation

Find the equation of the exponential function represented by the table.