1.4 Defining New Functions from Old: Quiz

Problem 4

Let

Which of the following compositions can be calculated? Give an answer, or leave blank if the expression is not defined.

  1. f(–1)
  2. g(f(–1))
  3. f(g(–1))
  4. g(–2)
  5. g(f(–2))
  6. f(g(–2))

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