waltwashere2003 waltwashere2003
  • 20-03-2019
  • Mathematics
contestada

For f(x) = 4x +1 and g(x) = x2 - 5, find (f + g)(x)

Respuesta :

gmany
gmany gmany
  • 23-03-2019

Answer:

[tex]\large\boxed{(f+g)(x)=x^2+4x-4}[/tex]

Step-by-step explanation:

[tex](f+g)(x)=f(x)+g(x)\\\\f(x)=4x+1,\ g(x)=x^2-5\\\\\text{substitute:}\\\\(f+g)(x)=(4x+1)+(x^2-5)=4x+1+x^2-5=x^2+4x-4[/tex]

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