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Precalc math help

  1. May 7, 2007 #1
    Hi, I need help with the following problem:
    If f(x)=4-x and the g(x)=1+x^2 find the (g(small circle)f)(-2).
  2. jcsd
  3. May 7, 2007 #2
    It's basic algebra - substitute -2 for x in f(x), then substitute that for x in g(x).
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