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Home > INT3 > Chapter 7 > Lesson 7.2.5 > Problem 7-117

7-117.

Use the functions and to complete the parts below. Homework Help ✎

  1. What is ?

    Substitute for .

  1. Write an expression for .

    Multiply and distribute by the expression.

  1. What is ?

  1. Write an expression for .

  1. Write an expression for .

    Substitute for in the expression.

  1. Write an expression for .

    Remember to distribute the negative sign to all terms in .

  1. Describe the domain of .

    all real numbers

  1. Describe the domain of .

    See part (g).