Exponential Review

What is the y-intercept?

• (0,0)
• (0,1)
• (-3,0)
• (0,-3)

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?  

• Exponential Growth
• Exponential Decay
• Linear
• None

What is the asymptote of y = 2^x ?

• y = 0

• x = 0

What is the asymptote of y = 2^x - 3

• y = 0

• y = -3

• x = 0

• x = -3

Which equation matches the graph?

• y = 4^x + 3

• y = 4^x - 3

• y = 4^{(x + 3)}

• y = 4^{(x - 3)}

Which equation is the inverse of the equation above?

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Which equation is the inverse of the equation above?

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The exponential function f(x)=2^x and the logarithmic function g(x)=log₂(x) are inverses. You know that because their graphs are reflected over what line?

• the x-axis

• the y-axis

• y=x

• y=-x