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Home > CCA > Chapter 4 > Lesson 4.1.2 > Problem 4-30

4-30.

If and , find: Homework Help ✎

  1. Substitute the value for x.
    f(−2) = 3(−2) − 9
    Continue to simplify.

  2. Substitute the value for x.
    g(−2) = −(−2)2

  3. if 

    Substitute 0 for f(x).
    0 = 3x −9

  4. Substitute the value for x.
    g(m) = −m2