Question

Estude o sinal da função A)f(x)=-3x-6 B)f(x)=x+10

Answer 1

a) f(x)=0
-3x-6=0
-3x=6.(-1)
x=6/3
x=2

b)f(x)=0
x+10=0
x=-10.(-1)
x=10