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5-84.

Given and : Homework Help ✎

  1. What is ?

  1. What is ?

    Refer to the step in part (a).

  1. If , what is ?

    First, set the function equal to . Then solve for .

  1. If , what is ?

    Refer to part (c). Follow the same process.

  1. Write an equation for .

    How can you undo multiplying by and adding ?