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Mathematics 21 Online
OpenStudy (mirandaregina):

Is my answer correct? f(x) =x^2 + 3x g(x) = -3 + x (f+g)(x) = f(x) + g(x) = (x^2 + 3x) + (-3 + x) = x^2 + 3x + (-3) + x = x^2 + 4x - 3

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