isabelly6840 21/04/2022 F (X) = 4x² + 2x4x²+2x=02x(2x+1)=02x=0x=0/2x=02x= -1x= -1/2S:[-1/2,0]F (x) = -5 x +6-5x+6=0-5x=-6x= -6/-5x= 6/5 S:[6/5]
isabelly6840
F (X) = 4x² + 2x
4x²+2x=0
2x(2x+1)=0
2x=0
x=0/2
x=0
2x= -1
x= -1/2
S:[-1/2,0]
F (x) = -5 x +6
-5x+6=0
-5x=-6
x= -6/-5
x= 6/5
S:[6/5]