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Home > CC3 > Chapter 8 > Lesson 8.2.2 > Problem 8-68

8-68.

Show the “check” for each of the problems below. Write whether the solution is correct or incorrect. Homework Help ✎

  1. For , does ?

    Substitute for .


    Now simplify.





    Is this statement true?

  2. For , does ?

    Follow the steps in part (a).