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Let f(x) = x^2+2x and g(x) = 2x, find (fog)(x).

Let f(x) = x^2+2x and g(x) = 2x, find (fog)(x).

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Guest [Entry]

"f○g (x) = f(g(x))

f○g(x) = (2x)^2 + 2(2x)

f○g(x) = 4x^2 + 4x or 4x (x + 1)"