# Quelle est la fonction ?

Quelle est la fonction $f$ dont la représentation graphique est ci-dessous ? Donner une expression de $f\left(x\right)$.

 $f:x↦-4x+2$ $f:x↦2x+4$ $f:x↦4x+2$ $f:x↦4x-2$ I have no idea none of the above is correct

Remark. Choose 'none of the above is correct', if you think that the correct choice is not among those presented.

This is exercise number 1 in a series of 9 exercises.
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• Description: exercices de niveau troisième sur les fonctions affines et les équations de droites. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games
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