Question: Calculate the composite functions f g and g f, and determine their domains. 27. f (x) =x, g(x) = x + 1 29.

Calculate the composite functions f ◦ g and g ◦ f, and determine their domains.
27. f (x) =√x, g(x) = x + 1
29. f(x) = 2x , g(x) = x2

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