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5-61.

Consider the function of . Homework Help ✎

  1. What is ?

    Substitute .

  2. What is the domain of ?

    Division by  is undefined. What x-value causes division by for this function?
    cannot have that value.

  3. If , what is ?

    Substitute .

  4. Now use the output of as the input for to calculate .

    , therefore calculate .