Tableau de variations 1

On considère une fonction f définie sur [ -11; 5 ], dont on connaît le tableau des variations:
x -11 -1 1 5
varf 11 -3 6 0
Pour chaque affirmation, dire si elle est vraie ou fausse ou si on ne peut pas savoir:
  1. f(0)=0: , ,
  2. f(1.4)<f(3.8): , ,
  3. f(2.4)>f(11): , ,
  4. f(3.8)>f(11): , ,
  5. f(3.8)<f(2.4): , ,


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