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f(x) = 3 / [x^2 +1] ; g(x) = x + 1.   2a: f o g(x)...

f(x) = 3 / [x^2 +1] ; g(x) = x + 1.

  2a: f o g(x) = ?

  2b: g o f(x) = ?

  2c: Domain of f ?

  2d: Domain of g ?

  2e: Domain of f o g ?

  2f: Domain of g o f ?

Math   Precalculus   
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