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Home > PC3 > Chapter 5 > Lesson 5.2.2 > Problem 5-67


Let .  

  1. Identify all of the roots of the function.

    All of the rational roots will be factors of . You can graph the function to help see the rational roots.
    Recall that if , then is a factor that can be divided out of the polynomial.

  2. Use the roots to sketch a prediction of what you think the graph of will look like.

  3. Use a graphing calculator to check your prediction.