Réponse :
bonjour
h (x) = - 4 x + 3
x - 2 - 1 - 0.5 0 2 3
h (x) 11 7 5 3 - 5 - 9
- 4 x + 3 = 7
- 4 x = 4
x = - 1
- 4 x + 3 = 5
- 4 x = 2
x = - 1/2 = - 0.5
- 4 x + 3 = 3
- 4 x = 0
x = 0
- 4 x + 3 = - 9
- 4 x = - 9 - 3
- 4 x = - 12
x = 3
Explications étape par étape :