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Exponential Functions Review

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  • Sketch the graph of the function
    Positive/increasing
  • Name two points on the graph
    Answer vary
  • Write the equation for the graph given 2 points
    y=18 x (1/3)^x
  • What does growth mean?
    The graph is increasing
  • What does the "a" value tell us in an exponential equation?
    Positive/negative
  • Write the equation for the graph
    y=2x(3)^x
  • What is the equation for a word problem when it is a growth graph?
    f(t)=a(1+r)^t
  • What does decay mean?
    The graph is decreasing
  • Sketch the graph of the function
    positive/increasing
  • Write the equation for the graph
    y=(1/4) x (1/3)^x
  • Write the equation for the graph
    y=4x(2)^x
  • What is the equation for the graph given the 2 points
    y= 5 x 4^x
  • Name two points on the graph
    Answer vary
  • Sketch the graph of the function
    positive/decreasing
  • What does the "b" value tell us in an exponential equation?
    Growth (increasing) / Decay (decreasing)
  • Sketch the graph of the function
    Positive/decreasing
  • Write the equation for the graph
    y=2x(1/x)^x
  • What is the equation for a word problem when it is a decay graph?
    f(t)=a(1-r)^t