Respuesta :

For company S

  • (0,5)
  • (10,20)

[tex]\\ \tt\hookrightarrow m=\dfrac{20-5}{10}=1.5[/tex]

For company Z

  • (0,15)
  • (10,20)

[tex]\\ \tt\hookrightarrow m=\dfrac{20-15}{10}=0.5[/tex]

Company Z is better