Sagot :
Bonsoir
ax+b >0
ax > -b
x >-b/a
f(x) > 0
0.64x+0.512 >0
x > -0.512 / 0.64
x > -0.8
g(x) >0
-1.53x+52.02 >0
x > -52.02 / -1.53
x > 34
merci de bien vouloir m'aider svp
Bonsoir
ax+b >0
ax > -b
x >-b/a
f(x) > 0
0.64x+0.512 >0
x > -0.512 / 0.64
x > -0.8
g(x) >0
-1.53x+52.02 >0
x > -52.02 / -1.53
x > 34