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      Checkpoint: Graphs of logarithmic functions

1.  Identify the characteristics that graphs of all logarithmic functions of the form

     share.

2.  Write a function rule for each of the graphs below. 

     a.

       b. 

c.

3.  Below are the graphs of  and   near the origin. Identify which graph goes with which function rule in quadrants I and IV.

.

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