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  • 18-06-2019
  • Mathematics
contestada

What is (f+g)(x)

f(x)=-x^2-3

g(x)=3x

Respuesta :

gmany
gmany gmany
  • 20-06-2019

Answer:

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

Step-by-step explanation:

[tex](f+g)(x)=f(x)+g(x)\\\\f(x)=-x^2-3\\\\g(x)=3x\\\\\text{Substitute:}\\\\(f+g)(x)=(-x^2-3)+(3x)=-x^2+3x-3[/tex]

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