lilianbouil lilianbouil
  • 06-11-2022
  • Mathematics
contestada

Bonjour à tous, help svp
Soit f la fonction définie sur R par f(x) =-4x+5
1 calculer l'image de - 1 par la fonction f
2 calculer un antécédent de 3 par la fonction f.
Soit la fonction g définie sur R par : g(x) = 4x au carré +4x+1

1) calculer l'image de - 1 par la fonction g
2 montrer que G(X) = 2x + 1 au carré

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