Bonjour,

g(x)= 4x+3

Calculer:

g(2)= 4(2)+3= 8+3= 11

g(0)= 4(0)+3= 0+3= 3

g(-8)= 4(-8)+3= -32+3= -29

4x+3= 0

x= -3/4        S= { -3/4 ]

4x+3= 9

4x= 9-3

x= 6/4= 3/2   S= { 3/2 }

4x+3= -1

4x= -1-3

x= -4/4

x= -1      S= { -1 }