bonjour
h(x) = - 6 x
h( 0) = 0
h( - 5) = - 6 ( -5) = 30
h( 1/3) = - 6 ( 1/3) = - 6/3 = - 2
h(-1) = - 6 ( -1) = 6
h ( 3.5) = - 6 ( 3.5) = - 21
antécédent de 24
- 6 x = 24
- x = 4
x = - 4
antécédent de - 42
- 6 x = 42
x = - 42/6 = - 7
antécédent de 3/4
- 6 x = 3/4
- 24 x/4 = 3/4
- 24 x = 3
x = - 3/24 = - 1/8