Respuesta :

[tex]\begin{gathered} A\text{ line that is perpendicular to } \\ y=-3x+4\text{ } \\ \text{satisfy } \\ \\ -3m=-1 \\ m=\frac{1}{3} \\ \\ \text{ Thus } \\ \\ y=\frac{1}{3}x\text{ } \\ \\ \text{ is a perpendicular line to y=-3x+4} \end{gathered}[/tex]