Graphing exponential and logarithmic functions

What is the horizontal asymptote for the graph of

f(x)=13(0.5)^x ?

• y=0.5

• y=13

• y=6

• y=0

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What is the positive interval(s) of this function?

• x > 1

• x < 1

• x > -3

• x < - 3

What is the x-intercept of the exponential function with the x-axis (y=0) as its asymptote? 

• (0,1)
• (0,0)
• There is no x-intercept

Which graph represents exponential decay?

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Which graph is representative of the equation?

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Select the function type best modeled by the graph.

• Exponential Growth

• Exponential Decay

• Linear

• Quadratic

Which equation goes with the graph

• y = x