Sagot :
Réponse :
a) [(2+5)*3]-6= (7*3)-6=15
b) f(x)= [(x+5)*3]-6= (3x+15)-6
c) f(0)= (3*0+15)-6= 9
d) f(x)=5
(3x+15)-6=5
(3x+15)= 11
3x= -4
x= (-4/3)
a) 2+5=7 b) f(x)=(x+5*3)-6
7*3=21
21-6=15
c) f(0)= (0+5) *3 d) On effectue le
=15-6 programme de calcul à
=9. l’envers:
5+6=11
11/3=3,67
3,67-5=-1,33
7*3=21
21-6=15
c) f(0)= (0+5) *3 d) On effectue le
=15-6 programme de calcul à
=9. l’envers:
5+6=11
11/3=3,67
3,67-5=-1,33