Sagot :
f(2) = -5*2 + 2 = -8
f(-3) = -5*-3 +2 = 17
f(0)= -5*0+2 = 2
f(x) = 13
-5x = 13-2
x = -11/5
En espérant t'avoir aidé.
f(2) = -5*2 + 2 = -8
f(-3) = -5*-3 +2 = 17
f(0)= -5*0+2 = 2
f(x) = 13
-5x = 13-2
x = -11/5
En espérant t'avoir aidé.