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Respondido

f(x)=x²-1 e g(x)=2x-3 determine fog(3) gof(-2)

Resposta :

ISNANDOON

Resposta:

f (2) = a? - 2x + 3; 9 (x) = Va névoa = (VT)? - 2 (V) + 3 névoa = x - 2Vx + 3 gof = Væ2 - 2x + 3 b) 2x 1 f (x) 3x + 1 9 (x) = x? 2x2 nevoeiro = 341 2x - 1 gof = (3x + 1 (2x-1) 2 (3x + 1) 2 4x2 gof = 4x +1 9x2 + 6x + 1 gof

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