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5-123.

Describe the domain of each function or sequence below.  

  1. The function .

    The domain is any value of that yields a real number value for .

  1. The sequence .

    Keep in mind that this is a sequence, not a function.

  1. The function .

    Can be divided by any number?

     cannot equal zero.

  1. The sequence .

    Keep in mind that this is a sequence, not a function.

Click on each graph in the eTool below to help you determine the domain of each function or sequence.
Click on the link at right for the full eTool version: 5-123 HW eTool