Question

0 da funçao afim f(x)2x+4

Answer 1

f(x)=2x+4
-2x=4(-1)
2x=-4
x=-4/2
x=-2

Answer 2

2x+4

∆= 2²-4.0.4
∆= 4-0
∆= 4

X= -2+-√4/2.0
X= -2+-2/0

X'= -2+2/0 = 0
X"= -2-2/0 = 4/0 = 4

Espero ter ajudado...