Exponential Functions

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

Is this exponential growth or decay?

• Growth
• Decay

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

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

• Exponential Growth
• Exponential Decay
• Linear
• None

What is the x-intercept of the exponential function? 

• (0,1)
• (0,0)
• There is not one

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

• Slope

• Rate of change

• Y-intercept

• Multiplier

In an exponential function, what does the 'b' 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

Is this exponential growth or decay?

• Growth
• Decay

What is the range of f(x) = 5^x? (Graph this problem if you don't know what it looks like)

• -∞ ≤ x ≤ ∞

• -∞ ≤ y ≤ ∞

• x > 0

• y > 0