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I need help with this question What is (g-f)(x)?

I Need Help With This Question What Is Gfx class=

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MARRII

Réponse:

(g-f)(x) = -x² -3x -6

Explications étape par étape:

(g-f)(x) = g(x) - f(x)

(g-f)(x) = (-x²-1-2x) - (x+5)

(g-f)(x) = -x²-1 - 2x -x -5

(g-f)(x) = -x² -3x -6