atomickitten
atomickitten atomickitten
  • 26-03-2017
  • Mathematics
contestada

For the given functions f and g, find the following:
(a) (f + g)(x)
(b) (f - g)(x)
(c) (f + g)(2)
(d) (f - g)(1)

[tex]f(x)=3x^2+x+2; g(x)=x^2-3x-1[/tex]

Respuesta :

irspow
irspow irspow
  • 26-03-2017
[tex] (f+g)(x)=4x^2-2x+1, (f-g)(x)=2x^2+4x+3 [/tex]
[tex] (f+g)(2)=16-4+1=13, (f-g)(1)=2+4+3=9 [/tex]
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