eva7062 eva7062
  • 11-07-2019
  • Mathematics
contestada

For f(x) = 2x+1 and g(x) = x2 - 7, find (f+9)(x).

Respuesta :

gmany
gmany gmany
  • 14-07-2019

Answer:

[tex]\large\boxed{(f+g)(x)=x^2+2x-6}[/tex]

Step-by-step explanation:

[tex](f+g)(x)+f(x)+g(x)\\\\f(x)=2x+1,\ g(x)=x^2-7\\\\(f+g)(x)=(2x+1)+(x^2-7)=2x+1+x^2-7=x^2+2x-6[/tex]

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