Lecture graphique du sens de variation

Dans le plan muni d'un repère orthogonal (O,I,J), on a tracé la courbe représentative d'une fonction f.
Par lecture graphique déterminer le sens de variation de f sur les intervalles suivants:

Votre réponse :
  • sur [-3;2], f est
  • sur [0;3], f est
  • sur [-3;0], f est
  • sur [0;2], f est
  • sur [2;3], f est

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