Tableau de variations 1

On considère une fonction f définie sur [ -9; 7 ], dont on connaît le tableau des variations:
x -9 -2 1 7
varf 4 -1 1 0
Pour chaque affirmation, dire si elle est vraie ou fausse ou si on ne peut pas savoir:
  1. f(0)=0: , ,
  2. f(4.7)<f(6.5): , ,
  3. f(5)>f(9): , ,
  4. f(6.5)>f(9): , ,
  5. f(6.5)<f(5): , ,


This is exercise number 1 in a series of 4 exercises.
  • 1
  • 2
  • 3
  • 4

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