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Mathematics 15 Online
OpenStudy (anonymous):

please explain composite functions simply :)

OpenStudy (amistre64):

one function is used AS THE VARIABLE for another function f(x) = x^2+3x+2 g(x) = 1/x f(g(x)) = [g(x)]^2 +3[g(x)] +2 f(g(x)) = [1/x]^2 +3[1/x] +2

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