Assinale a opção que apresenta a equação da reta que é um subespaço vetorial do straight real numbers cubed

a.
open curly brackets table attributes columnalign left end attributes row cell x equals 7 end cell row cell y equals negative 2 t end cell row cell z equals 3 t end cell end table close

b.
open curly brackets table attributes columnalign left end attributes row cell x equals 2 end cell row cell y equals 6 end cell row cell z equals t end cell end table close

c.
open curly brackets table attributes columnalign left end attributes row cell x equals t end cell row cell y equals negative 2 t end cell row cell z equals 3 t end cell end table close

d.
open curly brackets table attributes columnalign left end attributes row cell x equals 2 plus t end cell row cell y equals 1 minus 2 t end cell row cell z equals 4 plus t end cell end table close

e.
open curly brackets table attributes columnalign left end attributes row cell x equals 1 minus t end cell row cell y equals 1 minus 2 t end cell row cell z equals 1 plus 5 t end cell end table close