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Home > CC4 > Chapter 11 > Lesson 11.2.6 > Problem 11-129

11-129.
  1. If f(x) = + 5 determine each of the following values. Homework Help ✎

  2. a.

    f(−1)

    b.

    c.

    x if f(x) = 10

Substitute −1 for the
variable x.

10

One of the answers is x = 8. What is the other?