Exponential Function Review

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

• Slope

• Rate of change

• Y-intercept

• Multiplier

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

• 2
• 4
• (2)^x
• 8

Identify the factor, or b, of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

Is the following function and example of decay or growth?

f(x)=2(0.85)^x

• Exponential Decay

• Exponential Growth

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

• Growth
• Decay

What is the factor, or b, for the function f(x) = 25 (4)^x

• 25

• 4

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

• Exponential Growth
• Exponential Decay
• Linear
• None

What is the factor for the exponential function shown in the table?

What is the initial value of the exponential function shown in the table?

Write the exponential equation that represents the given table.