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  • 11-06-2019
  • Mathematics
contestada

if f(x)=3x-1 and g(x)=x+2,find (f-g)(x)

Respuesta :

gmany
gmany gmany
  • 15-06-2019

Answer:

[tex]\large\boxed{(f-g)(x)=2x-3}[/tex]

Step-by-step explanation:

[tex](f-g)(x)=f(x)-g(x)\\\\f(x)=3x-1,\ g(x)=x+2\\\\\text{substitute:}\\\\(f-g)(x)=(3x-1)-(x+2)\\\\=3x-1-x-2\qquad\text{combine like terms}\\\\=(3x-x)+(-1-2)\\\\=2x-3[/tex]

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