merci de bien vouloir m'aider svp
f(x) = -x + 3
g(x) = 4
h(x) = 5x/4
I(-1;4)
J(3,2;4)
K(1,3;1,7)
f(x) = g(x)
-x+3 = 4
x = -1
h(x) = g(x)
5x/4 = 4
x = 16/5 = 3,2
f(x) = h(x)
-x+3=5x/4
xK = 12/9 = 4/3
h(4/3) = yK = 5/3
En espérant t'avoir aidé.
