P0tential P0tential
  • 27-04-2018
  • Mathematics
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What is (f−g)(x)? Enter your answer in the box.

What is fgx Enter your answer in the box class=

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Robinson555
Robinson555 Robinson555
  • 27-04-2018
(f-g) (X) = f(X) -g(X) = x^4-x^2+9-x^3-3x^2-12

= x^4-x^3-4x^2-3
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sqdancefan
sqdancefan sqdancefan
  • 30-04-2018
(f -g)(x) = f(x) -g(x)
  = (x^4 -x^2 +9) -(x^3 +3x^2 +12)
  = x^4 -x^2 +9 -x^3 -3x^2 -12
  = x^4 -x^3 +x^2*(-1 -3) +(9 -12)
  = x^4 -x^3 -4x^2 -3

[tex](f-g)(x)=x^{4}-x^{3}-4x^{2}-3[/tex]
Answer Link

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