bonjour
g ( 4) = 1 et g ( 0) = - 2
( - 2 - 1 ) / ( 0 - 4) = - 3 /-4 = -3/4
g ( 4) = 1
4 *- 3/4 + b = 1
- 12/4 + b = 1
b = 1 + 3 = 4
g (x) = 3 x/ 4 + 4
d'où g (0) = 4
g (x) = 2
3 x /4 + 4 = 2
3 x /4 = 8/4 - 16/4
3 x /4 = - 8/4
3 x = - 8
x = - 8/3
g (x) = - 3
3 x /4 + 4 = - 3
3 x / 4 = - 12/4 - 16/4
3 x = - 28
x = - 28/3
g (x) = 4
12 x /4 + 4 = 4
12 x /4 = 16/4 - 16/4
12 x = 0
x = 0
fais pareil pour le dernier
